This is an antique Japanese military sake cup, decorated with a wreath topped with a star and inside the wreath is a 16 leaf imperial chrysanthemum. This kind of chrysanthemum family crest was restricted for the use of the Imperial family, and I believe this variation (with the little leaf in the middle) was for the Fushimi branch of the family. The words on the back of the cup are "Siberia Expeditionary Force Victory Commemoration" and the full name Morikawa Shunni. There's a maker's mark in the center by the name of Haneda, and the stamp "pure silver". The cup weights about 37g.

Condition: Mint

Size: 3.25" across