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The mark for silver meeting the sterling standard of purity is the Lion Passant, but there have been other variations over the years, most notably the mark indicating Britannia purity. The Britannia standard was obligatory in Britain between 1697 and 1720 to try to help prevent British sterling silver coins from being melted to make silver plate.
These are shown in the top of the two example hallmarks. The bottom example shows the extra marks that can also be struck, the lion passant, indicating Sterling silver, the date mark (lowercase a for the year 2000), and in this example, the 'Millennium mark', which was only available for the years 1999 and 2000. The bottom example bears the ...
Multiple marks on silver, left to right: maker's mark , lion passant (assay mark for sterling silver), London town mark, date letter (1835), duty mark . A mark is a written or imprinted symbol used to indicate some trait of an item, for example, its ownership or maker.
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.
The four wardens of the Goldsmiths’ Company were tasked with visiting workshops in the City of London to assay (test) silver articles. If these articles were found to be below standard they were originally forfeit to the king, but if they passed, each article received the king's mark of authentication which was the mark of a leopard's head.
Sterling silver is an alloy composed by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. Tiffany & Co. pitcher ( c. 1871 ) having paneled sides and repoussé design with shells, scrolls and flowers; top edge is repousse arrowhead leaf design
Britannia silver is an alloy of silver containing 11 ozt 10 dwt (i.e. 11½ troy oz.) silver in the pound troy, equivalent to 23 ⁄ 24, or 95.833% by weight silver, the rest usually being copper. This standard was introduced in England by Act of Parliament in 1697 to replace sterling silver (92.5% silver) as the obligatory standard for items of ...
Spanish coins with a purity of 10.15/12 parts silver are marked 10.15 and have a purity of 84.6% silver. S. Kirk & Son first made 925/1000 silver in the year 1886. They produced Coin and 925 silver until 1896, when they dropped the Coin silver from the line. The purity mark used was 925/1000 between 1886 and 1914.