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Posts
- British registration marks: the diamond mark and Rd numbers (September 30, 2026)
- What the copyright symbol on costume jewelry tells you (September 30, 2026)
- How to read British silver hallmarks (September 30, 2026)
- How to read the marks on a stoneware crock (September 30, 2026)
- How to research an unmarked piece (September 30, 2026)
- England and Made in England marks: what they date on ceramics (September 30, 2026)
- Mexican silver marks: the eagle, registry codes like TS-24 and 925 (September 30, 2026)
- Nippon, Japan and Occupied Japan marks: what each one dates to (September 30, 2026)
- Patent numbers and ‘Pat. Pend.’ as dating tools (September 30, 2026)
- Pottery mark methods: impressed, incised, underglaze and printed (September 30, 2026)
- Reproductions and fake marks: the known problem areas (September 30, 2026)
- Silver purity numbers: 925, 900, 835, 800 and where they were used (September 30, 2026)
- Silverplate marks: EPNS, EP, EPBM, A1 and Quadruple Plate (September 30, 2026)
- Why 1940s costume jewelry is often marked Sterling (September 30, 2026)
- Sterling, coin silver or silverplate: how to tell from the marks (September 30, 2026)
- Where to look for marks on pottery, crocks, jewelry and silver (September 30, 2026)
Pages
- How to Read Russian Hallmarks on Silver and Gold: Imperial, Soviet and Modern Marks (November 9, 2026)
- Antique Glass Identification: Pattern Glass, Carnival Glass and How to Tell Them Apart (November 6, 2026)
- Hallmarking Statistics: Maker’s Marks and Precious Metal Marks by the Numbers (October 24, 2026)
- Costume Jewelry Marks: Identify and Date Signed Vintage Jewelry (October 17, 2026)
- Silver and Gold Purity Mark Decoder: What 925, 800, 84, 750 and 585 Mean (October 15, 2026)
- Staffordshire Pottery Marks: Dating English Transferware, Ironstone and Earthenware (October 6, 2026)
- American Art Pottery Marks: Identify and Date Rookwood, Roseville, Weller and More (October 6, 2026)
- Glass Makers’ Marks: Identify and Date American Pressed, Depression and Art Glass (October 6, 2026)
- Bottle Marks and Bottle Dating: A Field Guide (October 5, 2026)
- How to Research an Antique or Heirloom: A Step-by-Step Method (October 2, 2026)
- Country-of-Origin Marks: How to Date a Piece from “Nippon”, “Made in Japan”, “Occupied Japan”, “West Germany” and More (October 2, 2026)
- Free Maker’s Mark Databases: A Link-Checked Directory (October 2, 2026)
- Contact (September 24, 2026)
- Privacy Policy (September 24, 2026)
- Terms & Disclaimer (September 24, 2026)
- Home (September 24, 2026)
- Mark Finder (September 24, 2026)
- About The Mark Index (September 24, 2026)
- Sources & Methodology (September 24, 2026)