Puckerings has dated this piece to the 1920s.
Made by the top-notch London silversmith, "Goldsmith's and Silversmith's Co. Ltd.

Something different for the bar, made from silverplate and dating to around 1920. Excellent condition, the base diameter measuring 3 3/4"; spanning 6" from spout to handle and standing 8 1/2" tall.
Item ID:37582
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Puckerings has dated this piece to the 1920s.
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