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the gently tapering blade cut from a single piece of nephrite (Siberian jade), mounted with openwork rococo scrolls centred on one side with am Imperial double headed eagle its shield engraved with the letter ‘E’ and mounted to the other with a gold half rouble coin from the reign of Empress Catherine the Great .
Chief Workmaster: Michael Perchin, St. Petersburg, pre 1896.
20.5 cm in length.