This guide provides marks found on both antique and contemporary collectible glass, and includes dating information if known. Links to more in depth articles about the companies featured here and other related resources are found within the text where applicable.
Links to examples of each manufacturer's wares are included below the mark information when available.
- Akro Agate Company
- ALIG Imperial Glass Co.
- Federal Glass Company
- Fenton Glass CompanyFenton Glass Oval Mark
- Fire King Oven Ware
- Fostoria Glass CompanyFostoria Glass Company Mark
- Fostoria Paper Label Mark
- Emile Gallé The mark of Emile Gallé
- Guernsey Glass
- Hazel Atlas Glass Co.
- Heisey Glass Company
- Imperial Glass Company Iron Cross Mark
- Graphic Index
- Text Index
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