Rare example of rarely seen antique russian provincial silver. 
Authenticity guaranteed.
Fine antique russian silver small cup - beaker. 
Hand engraved decoration.
Marked on the side and under the base with set of russian silver hallmarks for kostroma (town in russia), 84 and maker's mark in cyrillic. 
Silver hallmarks for 1908-1917 period.
About 3 1/4 in. (8.3 cm) tall.
About 0.7 troy oz. - 22 grams. 
Very good original antique condition with minor expected age wear. No repairs.
Wonderful example of antique russian provincial silver.