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  2. Silver hallmarks - Wikipedia

    en.wikipedia.org/wiki/Silver_hallmarks

    The old hallmarks were as unique as today's logos, and disputes often arose when one company copied another's stamp. [citation needed] "The words "silver" and "sterling silver" describe a product that contains 92.5% pure silver. Silver products sometimes may be marked 925, which means that 925 parts per thousand are pure silver.

  3. International Silver Company - Wikipedia

    en.wikipedia.org/wiki/International_Silver_Company

    International Silver Company, General Office, Meriden, Connecticut. The International Silver Company (1898–1983, stopped making silver), later known as Insilco Corporation[2] and also known as the ISC, was formed in Meriden, Connecticut as a corporation banding together many existing silver companies in the immediate area and beyond.

  4. Hallmark - Wikipedia

    en.wikipedia.org/wiki/Hallmark

    A hallmark is an official mark or series of marks struck on items made of metal, mostly to certify the content of noble metals—such as platinum, gold, silver and in some nations, palladium. In a more general sense, the term hallmark is used to refer to any standard of quality.

  5. Antiques: Jewelry hallmarks tell the story - AOL

    www.aol.com/news/antiques-jewelry-hallmarks-tell...

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  6. Tuttle Silver Company - Wikipedia

    en.wikipedia.org/wiki/Tuttle_Silver_Company

    Timothy Tuttle formed the Tuttle Silver Company in 1890, in downtown Boston, Massachusetts.. His first work was to duplicate sterling pieces by special order. And because the pieces he duplicated were generally English sterling pieces, the original Tuttle pieces are dated in the English custom, with the crest of the reigning monarch of the times, to indicate the time period.

  7. How to Identify Vintage Costume Jewelry and Make Money ... - AOL

    www.aol.com/identify-vintage-costume-jewelry...

    Amid the diamonds and opals, the silver and gold (OK, if you’re lucky), lies a different kind of beauty — the beauty of costume jewelry. While costume jewelry often gets short shrift compared