Click to reveal The value of slag glass antiques ranges from $20 $20,000. To dry, use a soft cloth and carefully pat the glass dry. 1930s Traditional Slag Glass Lamp | Chairish If you cant see any light passing through, the glass may be frosted or pressed glass instead of slag glass. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. Remember, the most common way to make slag glass was by skimming silicate material from the top of molten iron. To do this, you'll need to remove the globe and burner. Another early slag glass was the purple malachite glass by Sowerby, which was sold in the United States under the name "blackberries and cream." His masterpiece is the Lutheran Ludwig's Church, which stands at the centre of a rectangular plaza. 1930s Traditional Slag Glass Lamp; Share. What is Slag Glass? Price Guide and History - Invaluable They may have additional insight or knowledge on identifying slag glass. Your IP address cannot be used to identify you. For example, simple things like a bowl sold for around $20 apiece. Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. She has also managed an online antiques community. If they look and feel smooth and consistent, it was likely machine painted. Outstanding full floral Duffner and Kimberly dogwood lamp. Check the bottom or inside of an item for either a name or logo of a manufacturer. Here is everything that you could ever want to know about slag glass. Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. Antique Purple and White Slag Glass Cake Stand, Antique EF Industries Green Slag Glass Table Lamp. (History, Series & Value). Slag Glass Panel Lamp By the Empire Lamp Company with Two Color Shade. All slag glass will be a marbled mix of some opaque color with opaque white. Slag glass has a rich history that makes it extremely valuable to collectors. Slag glass was first created in England in the 1880s as an opaque brown with white streaks from iron slag. Hanging Slag Glass Lamp, ca. $1,551 57% Off $3,600. Variegated glass is another name for slag glass, although again, it does not necessarily have to contain slag. 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. Fenton, Mosser, Boyd Glass, and Summit are some of the common, modern, U.S. manufacturers of slag glass. Bradley And Hubbard Lamp - 31 For Sale on 1stDibs The value of slag glass items can also be determined by the condition of the item. The Pittsburgh Lamp, Brass & Glass Company - The Lampworks Remember, being cautious and taking your time while identifying slag glass can help ensure you make a wise purchasing decision. Image 2: Tiffany Studios Patinated-Bronze and Leaded Favrile Glass Poinsettia Floor Lamp. Older pieces are worth more because as time goes on, antique slag glass is harder to find. This$13,464 pair of slag glass lampson Etsy is one example, along with this complete setfrom the Hilltop Steakhouse in the United States, being sold for an even $15k on eBay. With these tips in mind, you should be able to know how to identify slag glass. How To Identify Tiffany Lamp - How to Tell Real From Fake Rubber and vinyl coated wires were not used until the post-World War II era. Fenton Rose Pastel Hobnail 4 1/2-inch Vase. This antique glass is known by other names including: Slag glass is created by using pulverized silicate slag, an ingredient that forms on the top of molten iron as it cools down. Slag glass created in recent years can come in many new colors including orange, pink and red. I grew up going to antique stores and markets with my mom and grandmother. It has a unique, earthy appearance and can be found in a variety of colors. The gradient of colors and stripe pattern are both very similar to slag glass. Work with a qualified appraiser to help you identify the manufacturer and type of slag glass antiques you have, including antique glass insulators, to determine the true market value. Once you find those marks, research the company to see if they are an authentic brand. Unlock the true value of your collection with our comprehensive research guides from identifying makers' marks to appraising all kinds of antiques and collectibles, including items featured in this article. The dimensions Length x Height. The permanent exhibition traces the changing fortunes of the border region from Franco-German war of 1870/71 to the affiliation of Saarland to the Federal Republic of Germany in 1957. Quezal shades were often used in groups on a table lamp or chandelier. 2. A few examples of modern glass manufacturers operating out of the US today are Boyd Glass, Mosser, and Summit. Slag Glass Lamps - Ideas on Foter I have a vintage slag glass desk lamp with the mark cCco on the plate that holds the shade on. Slag glass pieces can sometimes be found at flea markets, antique stores, and online marketplaces. Become a national Fenton club member Fenton glassware prices 1. Slag Glass Lamp, Arts & Crafts era, geometric, EMPIRE LAMP CO. SLAG GLASS LAMP bronze base. One clear indicator, though, of true slag glass is the richness of its tonal variations: real slag glass will not simply bear streaks of color but instead will offer more subtle variations in opacity and tone like one would expect from marble or alabaster. Check out nostalgic collectibles from one of America's most successful direct sales companies. Identifying Silhouette Slag Glass Lamp In Antique American Lighting, Antiques, Uncategorized on February 8, 2016 at 7:02 pm. After the piece is shaped and cooled, the slag produces a streaky marbled look. A more specific title for this type of glass would be mosaic glass. An Identification Guide for Beginners, Atlas Mason Jar Identification and Value Guide, Vases, Compote, Creamer, and Bowls, Lot of 7. The key identifying feature of this type of glass is its similarities to the patterning found in natural marble. It can seem strange to think of putting metal byproducts into a beautiful piece of glass, but it is super common to use a wide selection of additives and compounds to give glassware unique looks. Reach out to an expert 7. Slag glass can be easily confused with other types of opaque glass, such as frosted or flashed glass. Slag glass is not completely opaque like frosted glass. Manufacturers experimented with different methods to achieve this malachite-like look. If the glassware is marked by the manufacturer, you can use that to reverse search information about your piece. How To Identify Slag Glass Antiques Overview. Because slag glass is made from recycled materials, it often contains small bubbles or imperfections on its surface. Polly Pocket toys may be small in size, but they're big on value. Imperial Glass - Guide to Value, Marks, History - WorthPoint Answer: The opaque bent panels of pressed glass with the creamy, golden swirls in your lamp are typically referred to as slag glass. Lot 167 : Roycroft/Dard Hunter Extremely Rare Table Lamp, Rago Arts and Auction Center , Lambertville, NJ Est: $40,000-$50,000 [more like this] A pair of figural spelter oil lamps, with antique chandelier lamp parts, ornate embossed brass bobeches for lights. Doyle New York, New York, NY (September 2004) If glass exists in that color, you can theoretically have slag glass in that color. 210.180.118.189 Lamps, lampshades, and chandeliers were very popular uses for slag glass. 1551 Extended Return Eligible. Finally, a Bradley & Hubbard slag glass lamp sold for $584, typical for that style and age of light. He has extensive experience in the field of buying and selling antiques and collectibles. But in case you are looking for a list of vintage lamp manufactures from the mid-1800s to the present day, we've provided that below. Production of slag glass originated in late-19th-century England, where glass manufacturers are thought to have added slag from iron-smelting works to molten glass to create a range of effectsfrom tortoiseshell to marbling. This is because the top manufacturers of the day often did leave any identifying brand marks on the fixtures. 9. The key to determining if a piece of glass is "true" slag or just a handsome example of pressed glass is to look for glass that is obviously and richly marbled rather than simply colored or streaked. Your caramel slag glass paneled lamp dates from the 1910s through the 1920s. The worth and value of slag glass varies. In this guide, well cover everything you need to know about slag glassfrom its history to how its made, what its worth, and how to identify a vintage piece. Slag glass is often cut and shaped by hand, leading to irregularities in shape and uneven edges. List of Vintage Lamp Manufacturers - RetroWaste Kitschy Avon Collectibles With Nostalgic Appeal. The number of broken pieces. Of course, no discussion of antique lamps is complete without the Tiffany Pond Lily Lamp, circa 1903, which sold at . Explore other items from ourAntiques & Collectibles Price Guide. These patterns are created during the manufacturing process and give slag glass its unique appearance. Pictures of both the inside and outside of the lamp. One of the most common applications of vintage slag glass is in lighting. Some well-known slag glass manufacturers include Sowerby, Davidson, and Greeners. When identifying authentic slag glass, pay close attention to the marbling. How do you identify a glass slag lamp - Wiki Examine the lamp base and verify that it has a real bronze finish. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Vintage Slag Glass Value (Identification & Price Guides), Vintage Hummel Plates Value (Identification & Price Guide), Brown Betty teapot Value (Identification & Price Guides), How Much Is a 2-Dollar Bill Worth? Despite its rarity, you can still find slag glass items in modern homes. Imperial's success was guaranteed by one its first orders -- approximately 20 different items to be supplied to almost 500 F. W. Woolworth stores. With a little practice, youll be able to spot slag glass in no time at all. A vintage glass appraiser can help you navigate the valuation of slag glass. A similar look was created around the same time by U.S. manufacturers Northwood and Dugan. In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. Metal issues or glass issues I may not see in the pictures. These are 2" in diameter at the fitters, and 1 . Slag glass is pressed and untempered glassware, much like depression glass. A glass decoration plant opened in early 1968. It is hard to keep fragile glass intact for decades. All rights reserved. Caramel colored slag glass lamp shade on light brown painted foliate design two lighted lamp base with pull chains, no marks found. L. G. Wright Glass - Guide to Value, Marks, History - WorthPoint Over time, other companies like Imperial Glass, Akro Agate, and Westmoreland began producing and selling their own versions of slag glass. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Some of the other names for slag glass come from its historical beginnings. Outstanding glass and color. Hobnail glass was popular in Victorian times, then, it was called "dewdrop glass." When Fenton introduced it in 1939, it became a hit. Most antique slag items are brown, blue, green, or purple. Ruby Red LLC is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. It could have internal or external threads. Slag glass antique lamps sell Between $200 and $2,000, and most of the value is in the light itself. Slag glass, also known as marble glass or malachite glass, is a type of opaque, streaked pressed glass. Related Posts: Plated Amberina - Rare, Colorful Art Glass Plated amberina glass, with color that graduates from amber to; Glass Paperweights You cannot fix a cracked snow dome paperweight. 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. 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. 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 mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. Spelter Newel Post Lamp w/ Czech Glass, FRENCH ART DECO SPELTER FIGURAL LAMP, Circa. Tiffany lamps are famous for the vibrant colors and varied textures used in the glass design. Look for manufacturing labels and company embossed stamps and raised imprints on the lamp. 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. Slag Glass Identification and Valuation - Antique Answers Some of these names can be used synonymously, but some of them have slightly different meanings that a serious collector should be aware of. Slag glass pottery and ornaments are perhaps one of the best examples of this, as they are two of the most common types of slag glass found in modern homes. But you Handling Antique Glass Antique glass should be handled as if it has been; Glass Repair Repairs to cut glass can be seen with a black; Vintage & New Glass Paperweights Glass paperweights . The lamp stands 20.5" tall and weighs only 4 lbs in total. Slag Glass - Kovels The factory at one time was owned by the former West Virginia Glass Company. The pieces produced are of a very similar style and quality, and it can be difficult to identify exactly where a vintage piece was originally produced. Imperial Glass introduced its iridescent (carnival) glass line in 1909. Hopefully, these tips will help make your search for slag glass a successful and enjoyable experience. Set of four antique embossed brass hanging lamp socket covers, 3 3/4" in diameter overall. These colors are created during the manufacturing process and can vary greatly from piece to piece. If youre looking to add some character to your home with slag glass, heres how to identify slag glass. The marbling should be a creamy white color that is evenly mixed into the base color. The company mass-marketed lamps, tableware, and tumblers. Slag glass has been used since the late 19th century and became popular during the Art Nouveau period in the early 20th century. There are many high quality reproductions on the market . The result is a material that lies somewhere between porcelain and glass. Now, you can find slag glass pieces in practically any color. 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. 1230A - 10 1/4 Alpha Art Glass Green Vase Lamp. If the item does not have any names or marks, the piece likely is a fake. It has distinctive a distinctive knob pattern and comes in a variety of colors. Instant Appraisal and makers marks for Slag Glass Lamp | Antiques Antique Slag Glass Lamps. LAMP SHADE - Leaded slag glass lamp shade, TABLE LAMP - A four panel, dark green slag. 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. Vintage slag glass can be a collectors item, but contemporary versions are also extremely popular and thousands of items on still made today. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. It should not have white streaks mixed into the color, nor should it be one solid color. In addition to some examples shown below on this page, you can also search our price guide for your own treasures. Slag glass producers mark their products with the companys initials or the companys logo. While it may not be as popular as other types of glass, slag glass is beautiful in its own way. Historical Museum Saar (Saarbrcken) - All You Need to - Tripadvisor Some famous makers include Tiffany Studios, Bradley Hubbard, and Handelwhose originals in good condition are very sought after. Slag glass of other colors is unlikely to be an antique. Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. Be sure to leave us a comment. Gothic Revival Slag Glass Panel Table Lamp by Bradley Hubbard Hubbell Sockets Bradley & Hubbard Bookends-Ancient Greek Temple Columns & Arch Gadrooned and Reeded Silverplated Bronze Sconces by Bradley & Hubbard, c. 1910s Six Arm Adam Style Chandelier in Antique Nickel by Bradley and Hubbard, c. 1920s Whether youre looking for a decorative piece to spruce up the place, or searching for that next big purchase as a collector, the world of slag glass has something for everyone. Antique 1908 Bradely & Hubbard Slag Glass Lamp Signed B&H Arts & Crafts $425.00 $32.52 shipping or Best Offer SPONSORED Large Bradley Hubbard Colorful Slag Glass Shade & Base, Arts & Crafts, Handel Er $1,650.00 $95.00 shipping or Best Offer 14 watching SPONSORED Antique Brass Oil Kerosene Font B&H Bradley & Hubbard Center Draft Banquet GWTW $125.00 Looking at the coloring of the piece can be a good start to figuring out if the piece is vintage or modern. Glass Collectible Antique Lamps, Glass Tobacco Pipe, Coca-Cola Glasses; Additional site . Our up-to-date information will give you an accurate understanding of your items' worth. Some of the most popular manufacturers were Miller, Bradley & Hubbard, Empire Lamp Manufacturing Company, Pittsburgh Lamp, Brass and Glass Company, H.E. However, the popularity waned at times. Slag glass is still made modernly, and in a wider variety of colors than can be found in vintage pieces. On the other hand, slag glass can easily leave people confused. How to identify a slag glass lamp - mylampsale.com