Hōei koban; koban minted during the Hōei era
A specific type of gold koban coin issued in the Hōei period (1704–1711). Used in historical and numismatic contexts.
See also: 小判
The Hōei koban is an essential resource for discussing the monetary history of the Edo period.
小判 is the general term for a koban gold coin; 宝永小判 specifies the variant minted during the Hōei era.
Compound of 宝永 (Hōei, the era name) and 小判 (koban, a type of gold coin).