Previously, in 1609, the shogunate implemented the following fixed exchange rate: '1 ryo of gold was equal to 50 monme of silver, which was equal to 1 kanmon of Eiraku-tsuho, which was equivalent to 4 kanmon of bitasen.' |
これより前の慶長14年(1609年)に幕府は三貨の御定相場として「金一両=銀五十匁=永楽通宝一貫文=鐚銭四貫文」と定めた。 |