
An item marked 13 therefore contains 13/16 pure silver, which is exactly 81.25% solid silver (812 thousandths). The letters “DK”: the mark of the artisan-silversmith or a local control code - several reference works, e. the Beuque Dictionary, list “DK” hallmarks in Germanic regions without a unique identification. Antique solid silver tumbler/cup (13 DK hallmark, 812/1000) by the DK 13 mark, Napoleonic III period, engraved for Charles Richter during the 1867 Universal Exposition, origin Germany. Height 8.5 cm, diameter 7.4 cm, weight 84 g; decorative display item with a usage dent at the base.
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