If possible, consult a knowledgeable collector or visit an antique store to verify authenticity. Add to Favorites Tiffany Style Bent Glass Tulip Green and Beige Slag Glass Hanging Lamp Ceiling Fixture Restaurant Light 18.5" w x 11" h 5 out of 5 stars (218 . Ph.D. antiques appraiser Dr. Lori reveals tips to tell if the piece you think might be Tiffany glass is really slag glass used for that lamp shade or other p. Slag glass is often cut and shaped by hand, leading to irregularities in shape. Color, age, and manufacturer are definitely important in determining the value of a vintage piece. 1230A - 10 1/4 Alpha Art Glass Green Vase Lamp. Find Fenton markings 3. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. Fenton, Mosser, Boyd Glass, and Summit are some of the common, modern, U.S. manufacturers of slag glass. The base of slag glass is an opaque color, and the streaks are typically a milky white or cream color. Get the best deals on Amber Glass Lamp In Collectible Ceiling Light Fixtures when you shop the largest online selection at eBay.com. This wouldnt be considered slag glass in the strict traditional definition, but many collectors will still use the term to refer to any marbled, opaque, pressed glass pieces. Other manufacturers quickly caught on and the style rose in popularity soon following its creation. They may have additional insight or knowledge on identifying slag glass. If you suspect that the piece may be vintage, check for age-related wear or markings on the glass itself or any accompanying hardware, such as lamps or furniture. Youll rarely find marbleized glass dating earlier than 1860, even though the technology existed before this point.2. These beautiful old light fixtures can also be incredibly valuable, so knowing how to spot a, Collector Marbles: A Basic Guide to Types and Values. In the early 20thcentury, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called mosaic glass. A glass decoration plant opened in early 1968. Traditional slag glass gets its creamy colored streaks from something called slag. If you're a collector of antique lighting, you've likely come across slag glass lamps. Doyle New York, New York, NY (September 2004) The original slag glass is brown with creamy streaks, a similar pattern to how your cup of coffee looks when you first pour in milk or creamer. Made of curved slag glass panels set into a metal frame, that from the photograph appears to be brass, this is a very nice example of . Many manufacturers used colored slag glass to create elaborate patterns in the lamp bases and shades, while others used the glass to create everyday scenes and landscapes. Hanging Slag Glass Lamp, ca. You may find one for as cheap as $230, but very rare pieces will definitely attract collectors and drive up prices into the thousands. France, Late 19th Century. There continues to be a vibrant market for antiques of all varieties due to their breathtaking beauty and exquisite designs. See also Antique Gone with the Wind Lamp for Sale: A Guide for Buyers and Collectors. Slag glass antique lamps sell Between $200 and $2,000, and most of the value is in the light itself. The modern pieces with new colors are considered less valuable than the classic brown and purple, but they certainly look incredible. Your lamp appears to have six panels and looks to be in very good condition. By clicking Accept, you agree to our website's cookie use as described in our Cookie Policy. I will include suggestions and comments along with links regarding shipping and packaging. Slag glass has been used since the late 19th century and became popular during the Art Nouveau period in the early 20th century. Sowerby in Gateshead, England is believed to be the first glass foundry to create slag glass. Mychelle is a writer and web designer who is passionate about a wide variety of topics and enjoys sharing her knowledge with readers. Slag glass antique lamps sell between $200 and $2,000, and most of the value is in the light itself. Manufacturers usually make slag glass by mixing this . Did we forget one? Verna Mae Wright, L. G. Wright' wife, directed the company following Wright's death in 1969. Can you Tiffany Lamp Sells High Michaan's Auctions in California . The marbling should be a creamy white color that is evenly mixed into the base color. Serious antique glass collectors will be familiar with "slag glass" which became popular in the late 1800s and is still made today. The lamp stands 20.5" tall and weighs only 4 lbs in total. The church is not only the city's most renowned landmark but also stands alongside Dresden's Church of Our Lady and St Michael's . Slag glass is a man-made opaque base glass with marbelized swirls in a different color. "Slag glass" is a collectors' name for opaque pressed glass with coloured streaks, usually white and/or cream streaks like this brown bugle made by George Davidson's in the North East of England in the 1890's. The name derives from the belief that these colours were achieved by adding slag from iron smelting works to the glass. Sowerby was a popular producer of this blackberries and cream slag look. American companies (Taylor, Northwood, Dugan, Akro Agate, Westmorland) began manufacturing this type of glass during the late 19th to early 20th century. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. Start architect Friedrich Joachim Stengel has shaped Saarbrcken's cityscape like no other. This marbling is one of the best ways to identify slag glass. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. Tiffany Floor Lamps. Brush strokes, however, are an indication that the lamp was hand-painted. Amber Caramel Slag Glass Hanging Swag Lamp Light Lighting Fixture 70's 1970's. $74.99. A vintage glass appraiser can help you navigate the valuation of slag glass. Explore other items from ourAntiques & Collectibles Price Guide. Would anyone know the company that might of cast this lamp base? The price of slag glass ranges considerably from five dollars for small slag glass pieces, to antiques that would garner hundredsif not thousands of dollars. Two of these patents, numbers 656891 and 774602, clearly depict the SUCCESS burner in their accompanying patent drawing. Figural lamp of a maiden standing on rockery with flowing gown and floral belt standing amongst foliage. 17 1/2" diameter 24" high. Real slag glassware will also never just be one solid color, it will always be blended. Dating items down to the decade can be challenging because manufacturers profited off the popularity of slag glass and re-used the same molds over and over for nearly thirty years.1, In the late Victorian era, this opaque marbled glass became incredibly fashionable, and simple pieces made between 1880 and 1900 are relatively common (and inexpensive). As technology and manufacturing changed over time, new colors have been introduced to the slag design. The older piece, the greater value it has. Many lamps are marked as much as three times (on the base, shade, and metal fitter rim). The principal feature of slag class is that its made from a residue by-product of iron smelting. A Hanging Slag Glass Lamp, circa 20th Century Six sides of milky slag glass in a metal frame with a copper finish. If they look and feel smooth and consistent, it was likely machine painted. When identifying slag glass, look for a marbling effect. There are three ways to differentiate vintage slag or mosaic glass from modern iterations: 1)Examine the marbling pattern: While both new and older pieces will have a marble look, its certainly not enough to spot an antique. True slag glass is richly marbleized, deeply colored glass rather than glass that is colored with pale swirls or streaks, which is also known as malachite, marbled and variegated glass. The Historical Museum Saar is the museum on Saarland's history. Whats the difference between Slag Glass and Stained Glass? You can determine antique slag glass with a few steps: Slag glass antique items can run anywhere in value from a low of $50 to a high of $1,500. Slag is used to refer to the by-product that shows up when various ores and metals are smelted. Because slag glass is made from recycled materials, it often contains small bubbles or imperfections on its surface. Some slag glass may also have opaque white sections, often in the form of streaks or patches. However, there are a few key . if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'antiqueanswers_com-large-leaderboard-2','ezslot_9',165,'0','0'])};__ez_fad_position('div-gpt-ad-antiqueanswers_com-large-leaderboard-2-0'); Challinor Taylor and Co. was an early U.S. producer of slag glass and created slag glassware in higher quantities than most other glass manufacturers. Its important to note that the coloration of slag glass can also vary depending on the lighting, adding to its distinct charm. Price Guides! Brown and purple are the most common colors for vintage pieces but Sowerby, as well as other manufacturers, also created some pieces in blue and green with the typical white streaking. Have any questions? Another common use for slag glass was for various lighting pieces. If the metal is shiny, the glass is pristine, and the lamp generally looks newer overall, it might be a reproduction. Ding dong! These three manufacturers are very well known in the United Kingdom. Look for any imperfections or bubbles in the glass, which can indicate it is not true slag glass. Lot 167 : Roycroft/Dard Hunter Extremely Rare Table Lamp, Rago Arts and Auction Center , Lambertville, NJ Est: $40,000-$50,000 Browse Similar. As molten iron cools, a silicate slag forms on top of it. [more like this] FIGURAL SLAG GLASS TABLE LAMP: Patinated spelter figure of a standing woman on art nouveau style base, double socket fixture, no visible makers mark, 23 3/4'' h. x 7 1/2''. If you're hoping to add some historic charm to your home, antique chandeliers can be a wonderful choice. Now, you can find slag glass pieces in practically any color. If the glassware is marked by the manufacturer, you can use that to reverse search information about your piece. Category 20th Century American Arts and Crafts Slag Glass Table Lamps 4. The marbling should be a creamy white color that is evenly mixed into the base color. The factory at one time was owned by the former West Virginia Glass Company. Examine the lamp base and verify that it has a real bronze finish. There are several things to keep in mind when looking to identify whether something is slag glass or not. Sotheby's, New York, NY (December 2017) Estimate: $300,000 - $500,000. Take care not to break or damage the piece while examining it. Estimate $400/600 Sold with Premium 258.30 Closed October 27, 2022 171. History. So keep your eye out for glass made by these companies from the 19th century. rim, lamp is 20'' long x 11'' long. column support set beneath an opaque glass fount with painted silhouette bird and foliate detail and with a spherical etched glass shade and clear glass chimney together with search our price guide for your own treasures. In this case slag, a by-product from iron smelting, is mixed into the molten glass before pressing. Though it's easily mistaken for other glass products produced around the same time period, such as stained glass, slag glass has its own unique look and slag glass items can fetch a wide range of prices. The most popular colors of slag glass tend to be shades of green and blue, but they can also be found in red, yellow, lavender, brown, and even black. Happy collecting! I grew up going to antique stores and markets with my mom and grandmother. They started with brown glass, but also produced purple, yellow, green, and blue. A large part of the 2,700 m exhibition area is located under Schlossplatz. They bring a sense of the past into a home and they add a pop of color. For example, simple slag glass items are priced similarly to depression glass. Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. Remember, there is no right or wrong way to identify slag glass. Ludwigskirche. Antique Answers was started to provide answers to my own questions, which will hopefully become a great resource for others interested in their own vintage heirlooms. Topped by an Art Deco style marbled yellow art glass shade. VINTAGE SLAG GLASS LAMP All original wiring, Slag Glass Lamp, figural spelter base with, FIGURAL SPELTER LAMP WITH MARBLED ART GLASS, TWO ANTIQUE CZECH GLASS FRUIT BASKET BOUDOIR, ART DECO NUDE FIGURAL LAMP: Cast spelter, FIGURAL SLAG GLASS TABLE LAMP: Patinated, A pair of figural spelter oil lamps, with, Victorian Figural Spelter Lamp of Lady holding. It is relatively easy to identify slag glass if you know what to look for. 1230C - 10 1/4 Ceramic Green Tone Vase Lamp. Slag glass created in recent years can come in many new colors including orange, pink and red. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. LAMP SHADE - Leaded slag glass lamp shade, TABLE LAMP - A four panel, dark green slag. Known by various other names, slag glass is instantly recognizable by its opaque glass and smooth blend of colorful streaks, creating a distinct marble effect. $40.00 shipping. These are 2" in diameter at the fitters, and 1 . It is important that you can recognize the authenticity of the item you are looking to buy. White melts into a pale lavender when it intersects with the opaque purple. Antique Glass Insulators and Their Electrifying History, Antique glass insulators are a low cost but very popular collectible that come in a myriad of fun shapes and colors. Slag glass has a rich history that makes it extremely valuable to collectors. Sold with variegated glass having a floral form slag glass shade, above the spelter metal figural standard having a ve having a floral form slag glass shade, above the spelter metal figural standard FIGURAL TABLE LAMP DEPICTING A METAL SMITH IN HIS SHOP FORGING A SCIMITAR BLADE UNDER A HAOrientalist Austrian cold painted spelter figural table lamp depicting a metal Table Lam Table Lamp, early 20th c., the cranberry font on four figural columnar supports to a plinth on a highly figured black marble base on paw feet, on a highly figured Lamp NEW YORK, CIRCA 1920 An American Art Deco patinated spelter figural lamp. However, since each piece will have very unique marbling patterns, the estimated value can vary greatly based on personal preference. Grandmother's old lamp not "true" slag glass but still catches eye of appraiser to the tune of $300-$400. Eventually, it became known as slagware or slag glass. I'm Stacy Jones and I love antiques! Early examples of slag glass already came in a variety of colors, but modern styles of mosaic glass are available in a seemingly endless array of hues and shades. Since it is only partially mixed to create marbling, slag glass will have different tones of whiteness throughout the piece. AMERICAN EARLY 20TH CENTURY SLAG GLASS LAMP, Nice, original 8 panel caramel slag glass, 384. Because of its rustic look, slag glass is often used in stained glass windows, lamps, and other decorative items. This website is using a security service to protect itself from online attacks. With a little practice, youll be able to spot slag glass in no time at all. You can find antique slag lighting fixtures for sale on websites such as Etsy for as low as $20 or as much as $16,000. This would still give the marble effect without the use of actual slag. 1. Related Posts: Cranberry Glass Decanter Q: This cranberry glass decanter belonged to my mother or; Jefferson Glass Co. Lamp Q: I have a Jefferson lamp with the numbers "2367"; Slag Glass Lamp Q: I'm looking to find some info on this slag; Tiffany Style Lamp Q: I recently acquired this "Tiffany" style lamp. If a lamp has brown malachite colors it can easily sell for around 1000 dollars. The SUCCESS burner was Pilabrasgo's "claim to . Your IP address cannot be used to identify you. Telling slag glass apart from other styles is actually quite simple. This version was considered an imitation because the process didnt involve using any real iron slag as had been done by Ellison Glassworks. H. Scantily clad figure stretching to support the shade. Save my name, email, and website in this browser for the next time I comment. The value of vintage slag glass, as with any antique, will depend on the quality of its condition, time period, and most importantly, the manufacturer. Ruby Red LLC is compensated for referring traffic and business to these companies. How to Get Conch out of Shell without Breaking. Antique Slag Glass Lamp, 8 panel umbrella. For example, slag glass pieces with distinct marbling patterns or interesting shapes may be more valuable to collectors. Identifying Silhouette Slag Glass Lamp In Antique American Lighting, Antiques, Uncategorized on February 8, 2016 at 7:02 pm. Real slag will always have a creamy marble effect. Typically vintage pieces will be worth the most, but some collectors may still value the piece. Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century. Consult a professional or experienced collector if youre unsure about a pieces authenticity. $1,551 57% Off $3,600. Always do your research and be cautious when purchasing or collecting slag glass. A well-crafted piece of slag glass with the right ratio of additive and correct amount of mixing will strike the perfect balance between looking too chunky and looking too homogenous. Slag glass is a term used to describe a type of colored pressed opaque glass made using the "slag" left over during the iron smelting process. She has also managed an online antiques community. Most slag glass replacement panels are completed the same week. Show & Tell. Slag glass antiques will not simply have white streaks blended with another color, but possess a richer, deeper tone. Although, the majority of slag glassware was created as decorative pieces. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Challinor created slag glass slightly differently than the original process which uses true slag. Signed slag glass tends to be worth more than unmarked slag glass. Assuming you have a table lamp with a large painted glass shade, then your shade should measure as 14, 15, 15.5, 16, or 18 inches. In addition to technically necessary cookies, this website uses the web analytics software Matomo. Handel Teroca lamps were so successful that the next line of lamps introduced were called Teroma. On the other hand, slag glass can easily leave people confused. Slag glass also has a rough texture compared to other glass types. Vintage lamps will show typical signs of aging, such as patina on the metal . Find many great new & used options and get the best deals for Cabinet-Sized Slag Glass Specimen E1700 at the best online prices at eBay! If you love the look of slag but dont want to pay extra for vintage, or are looking for a higher variety of options, check out some of the more recently produced glass pieces. Some of the other names for slag glass come from its historical beginnings. Determining slag glass worth will vary in difficulty depending on what youre looking for. The worth and value of slag glass varies. The ecology website also notes that slag glass can be incorporated into landscaping designs or used as decorative stones in gardens and ponds. If you cant see any light passing through, the glass may be frosted or pressed glass instead of slag glass. This guide will explain how slag glass was made, when it was popular, and what its worth. Figural Spelter Lamp, boy holding a cornucopia, ART DECO FIGURAL MAIDEN TABLE LAMP: Patinated, ORIENTALIST AUSTRIAN COLD PAINTED SPELTER, Sgd. Slag is a somewhat unusual word, and unless you really know your glassware, the term Slag Glass probably wont ring a sort of bell at first. Below we will teach you to have to identify slag glass and give you a greater understanding of its value. Quick FAQ: -Yes, 99% of Handel lamps are marked. The wiring is not original to the lamp; originally it would have had cloth covered wire. This mark is usually made at the bottom of the lamp. Most pieces are decorative in nature, sprucing up side tables and bookshelves. She added custard glass to the company's color line in 1969 and iridescent (carnival) in 1972. The marbled pattern and swirled appearance of the glass add to its unique appeal and character. An avid antiques collector herself, Kate has written about antiques for many years. In this case, the slag used for marbling glass is produced when iron is heated during the production process. Reach out to an expert 7. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Slag Glass Panel Lamp By the Empire Lamp Company with Two Color Shade. Challinor would instead combine two colors of molten glass. The term slag glass is often used interchangeably with the terms flashed glass and stained glass. However, slag glass is a type of stained glass made from recycled materials. Slag glass pieces can sometimes be found at flea markets, antique stores, and online marketplaces. Vintage Lamps and Lighting. Become a national Fenton club member Fenton glassware prices 1. To clean slag glass, first, remove any dirt or debris with a soft brush. If youre still unsure if a piece is slag glass, consult with a professional or experienced collector for their opinion. Free shipping for many products! Mosiac glass is sometimes used interchangeably with slag glass, although there are some technical differences. This being the glass version rather than stone, it makes sense to call it how you see it. Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. The number of broken pieces. True slag glass was originally produced in England during the last quarter of the 19th century when, simply put, it is believed slag from iron-smelting was added to molten glass to achieve a marbling effect in a variety of colors. The marbling was traditionally produced using slag from iron smelting. Despite its rarity, you can still find slag glass items in modern homes. EMPIRE LAMP CO. SLAG GLASS LAMP bronze base marked 'Empire Lamp M.L. SHADE A vintage figural spelter table lamp, the depiction of a young man holding a cluster of grapes. Antique Waltham Pocket Watch Value (Identification & Price Guides), Antique Typewriter Value (Identification & Price Guides), Antique Brass (Identification & Price Guides), Antique Hutch Value (Identification & Price Guides), Antique Paperweights Value (Identification & Price Guides), 15 Rarest Vintage Bratz Dolls Worth Money, Benrus Watch Value (Identification & Price Guides), Antique Blue Willow China Value (Identification & Price Guides), Antique Car Blue Book (Car Value & Identificatiron), Old Buttons Value (Identification & Price Guides), Skeleton Key Value (Identification & Price Guides). You can determine the age of a piece of slag by finding the date of production. The light shining through the marbled color creates a really unique effect. Two glassmakers in Pennsylvania, Harry Northwood and Thomas Dugan, were the first to imitate slag glass by mixing two colors of glass together and forgoing the actual slag in 1902. Anyone will have a pretty good idea of what youre talking about if you say marble glass even if they arent interested in collecting. The marbled effect is gorgeous on its own, but shining light through a complicated and colorful design is even more stunning. Glass manufacturers were thought to have added slag from iron smelting to molten glass. While collectible, the price range varies greatly depending on the item and manufacturer. Cavo is the author of Love Immortal: Antique Photographs and Stories of Dogs and Their People. Pieces from well-known manufacturers or in rare colors may fetch a higher price. The original factory was in an old glass factory in Martins Ferry, Ohio in 1905. To differentiate, compare the texture, pattern, and color of the glass to those of known slag glass pieces. Identification Tips & History Highlights, One of the most unusual types of antique glass that collectors can investigate, Vaseline glass is absolutely fascinating due to its color, history, and radioactive components. I can best help you after you email pictures To complete your quote for restoration if you include the following. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. The marble should never be streaky and it should blend well with the color of the glass. Antique Slag Glass Lamps. Of course, no discussion of antique lamps is complete without the Tiffany Pond Lily Lamp, circa 1903, which sold at . The visual marbling of this slag is reminiscent of slag glass, however, the presence of actual slag in slag glass pieces depends on how it was created. Slag glass was made by British companies Sowerby, Davidson and Greener during the Victorian era, around the 1880's . Quezal shades were often used in groups on a table lamp or chandelier. There are several things to keep in mind when looking to identify whether something is slag glass or not. This is one of the most common uses for slag glass, and you'll see many slag glass chandeliers and other fixtures in antique shops. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. (Source). Don't turn your nose up at these vintage perfume and cologne bottles from Avon. Identifying Slag Glass. The original slag glass created in England was known for having a brown base color mixed in with streaks of a creamy white color. 2. Vintage Swag Green Slag with Amber Glass Drop Light, Pendant Hanging Lamp . 1. Production of slag glass originated in late 19th century England. Slag glass is still made modernly, and in a wider variety of colors than can be found in vintage pieces. This will ensure that the money you are spending is worth it. Vintage slag glass can be a collectors item, but contemporary versions are also extremely popular and thousands of items on still made today. While Handel first produced mosaic glass shades for its lamps, they soon branched into other design areas. Slag glass, also known as marble glass or malachite glass, is a type of opaque, streaked pressed glass. Remember, the most common way to make slag glass was by skimming silicate material from the top of molten iron. Lamps, lampshades, and chandeliers were very popular uses for slag glass. This is because the top manufacturers of the day often did leave any identifying brand marks on the fixtures. A Fenton hobnail 4 1/2-inch vase can go for $15 to $50. These are just a few of the companies that produce authentic slag glass. During the 1920s and 1930s, slag glass fell out of fashion and was replaced by more modern designs. best places to play pickleball in arizona,
