Undocumented maker's mark 'Z' Shi シ Sa サ.
This stamp has the Shi シ symbol next to the Sa サ symbol with the 'Z' centered on top of both of them.
This float measures 3 inches in diameter.
Undocumented maker's mark 'Z' Shi シ Sa サ.
This stamp has the Shi シ symbol next to the Sa サ symbol with the 'Z' centered on top of both of them.
This float measures 3 inches in diameter.