The koban (小判) was a Japanese oval gold coin, cast on the order of Tokugawa Ieyasu in Edo period (Keichō era) feudal Japan and a part of Tokugawa coinage. == History == Minting of koban, Ōban and other coins began in year 1601 (year 5 of the Keichō era), signifying the beginning of the Tokugawa coinage.
The koban (小判) was a Japanese oval gold coin, cast on the order of Tokugawa Ieyasu in Edo period (Keichō era) feudal Japan and a part of Tokugawa coinage. == History == Minting of koban, Ōban and other coins began in year 1601 (year 5 of the Keichō era), signifying the beginning of the Tokugawa coinage.
Source: Wikipedia "Koban (coin)" · CC BY-SA 4.0
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