The interiors are gilded. One cup has a knurled rim, while the other does not. They are marked [A Yu 7] with a Soviet 875 silver assay mark.
SOVIET/ RUSSIAN SILVER .875 Decorative gilded niello Tea spoon
ANTIQUE SOVIET RUSSIAN Niello 875 Silver Mounted Horn Drinking Cup
Russian vodka cups, sets and coolers, silver - price guide and values
Post - 1940 Russian Silver Cups for sale
Post - 1940 Russian Silver Antiques for sale
Russian vodka cups, sets and coolers, silver - price guide and values
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Russian Silver Cup - 123 For Sale on 1stDibs russian vodka cups, russian silver vodka cups, silver russian vodka cups
2 RUSSIAN SILVER VODKA CUPS NIELLO Decoration Stamped Marks $11.50
Russia, Non-U.S. Silver, Silver, Antiques - PicClick