V RARE 1797 DOUBLE DUTY NEWCASTLE MUG, PROVINCIAL STERLING SILVER GEORGIAN, 306g

"DOUBLE DUTY" MARK WAS ONLY USED FOR A SHORT PERIOD IN 1797 IN BIRMINGHAM AND SHEFFIELD, AND VERY RARELY RARELY IN NEWCASTLE. GOOD SOLID STERLING SILVER GEORGE III PROVINCIAL MUG / TANKARD. ASSAYED IN NEWCASTLE 1797 (G).

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