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Dictionary of Marks
  • Marks used by modernist jewelers
    Modernist Jewelry

    The Modernist jewelry trend was most popular from the 1930s through the 1960s. Here are some marks by notable makers.






  • Pyrex patterns
    Pyrex Patterns

    In the early 1900s, Corning Glass Works created Nonex glass, a heat-resistant glass developed for railway lanterns and other industrial products. Here are some of the more popular patterns from the 1940s through the 1980s.






  • Marks on Arts & Crafts silver made in Chicago
    Chicago Arts & Crafts Metalsmiths

    The Arts & Crafts movement was popular in the United States from 1890-1918 and Chicago was the center of Arts & Crafts production. Here are some important Chicago Arts & Crafts metalsmiths, with marks and histories.







  • Fat Lava pottery
    Fat Lava Pottery

    Fat Lava is a nickname given to pottery made in West Germany (1949-1990) during the 1960s and ’70s. We chose Fat Lava vases, each by a different maker, and their accompanying marks.






  • Baker Furniture marks
    Baker Furniture

    Through most of its history, Baker Furniture has been known for quality reproductions of classic furniture. Here are some of the marks used by the company over the years.







  • Limoges Porcelain

    In the 1920s in France, there were more than 48 factories and over 400 known factory marks identifying pieces of Limoges porcelain. Marks signify a decorator, importer or retailer. Other initials or words in the mark can be artist or pattern names. 






  • American Pottery

    The word "ceramics" refers to items made from clay and fired in a kiln. In most American pottery, look at the bottom first for information. You may be the owner of a valuable piece of porcelain or pottery, and the cryptic symbol on the underside of the piece may be your only clue to its value.





  • Cut Glass

    The American Brilliant Period for cut glass spanned about 40 years to the end of World War I. Here are some marks used by companies that made cut glass during the American Brilliant Period.






  • Dating Disney Toys

    Mickey Mouse was introduced in a cartoon in 1928. The first endorsed merchandise was a 1929 school tablet. Disney toys have been made in recent years and the registered marks tell they are reproductions. These marks are taken from actual toys.






  • Indian Jewelry

    Authentic American Indian hand-made silver jewelry sells for high prices, but buyers should beware because some of the jewelry sold as “Indian” is mass-produced imitation jewelry.







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