This is an antique Japanese military sake cup, decorated with a pair of cannons, a pair of flags, and the words "Kechi Heavy Artillery" and the soldier's name Sato. Kechi was a town on the island of Tsushima, and they had a fortification guarding the port area there.

Condition: Mint. The spot on the rim at 11 o'clock is a natural dip in the glaze

Size: 3" across