VINTAGE 610MMET Silver-Plated Filigree Decorated Russian Shot Cups, Vodka, Five

Internet search gives the following description: Filigree Decorated Silver-Plated Shot Cups used for vodka Possibly from the 1920's Traditionnal Russian design (possibly Beccy) Bases are marked ''6IOMMET'', with other Russian inscriptions Good used condition Composition: - I consulted a jeweler to test the cups - he said they were at least silver-plated (he couldn't tell me total metal composition beyond that) - Gold-toned inside coating - Possibly a mix of nickel, copper, zinc and silver-plating Wear: - Tarnish around the outside of some rims - Some tarnish in between filigree lines - Some deposits in between filigree lines Note: Cups were cleaned as much as possible before posting for sale Measurements are approximate, in inches: Diameter top: 1.75 Diameter base: 1.25 Height: 1.75 Home is non-smoking