Type what’s pressed into it.
Crocks, plates, brooches, spoons. Put in the letters you can read and see every maker who used that mark, and the years they used it.
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Pottery & Porcelain
Backstamps and impressed marks on art pottery, dinnerware and porcelain.
11 makers StonewareStamped, stenciled and impressed marks on crocks, jugs and churns.
9 makers Costume JewelrySignatures on brooch backs, clasps and earring clips, and what the © tells you.
9 makers SilverSterling, coin and plate: maker’s marks, hallmarks and purity numbers.
8 makersReading the clues
- Pottery & PorcelainWhere to look for marks on pottery, crocks, jewelry and silver
- SilverSterling, coin silver or silverplate: how to tell from the marks
- Costume JewelryWhy 1940s costume jewelry is often marked Sterling
- SilverSilverplate marks: EPNS, EP, EPBM, A1 and Quadruple Plate
- SilverSilver purity numbers: 925, 900, 835, 800 and where they were used
- Pottery & PorcelainReproductions and fake marks: the known problem areas
- Pottery & PorcelainPottery mark methods: impressed, incised, underglaze and printed
- Costume JewelryPatent numbers and ‘Pat. Pend.’ as dating tools
Every date on this site has a source, listed at the bottom of its entry. Where sources disagree, we show both. We don’t publish values, and we don’t guess.
How we research →