Read the stamp
Ster jewelry mark
A STER jewelry mark names the silver standard; the designer’s signature names the maker, while EPNS describes a base-metal construction.
Reading the metal designation
STERLING, STER, STG, .925 and 925 are forms of the same silver-standard description. Look on ring interiors, bracelet backs and clasp tabs. A designer signature or sponsor punch is separate from the material wording.
What to check next
EPNS and ALPACA describe different base-metal constructions from sterling. A silver standard can still appear on a gilded silver object. Check the mark on the main piece as well as detachable fittings, then use the separate signature to look up its maker.
Related marks
326 marks
c. 1940–1946
William Spratling
WS bird-like monogram occupies a circular SPRATLING MADE IN MEXICO stamp; separate STERLING below.
Explore makers & marks
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