Silver in India

Japanese: 印銀 - いんぎん

Silver coins minted in 1619 (Genwa 5) for use within the whole of Sado. As Sado was a major producer of silver, they needed to produce current silver to prevent the theft of high-grade silver. They were made of 60% high-grade silver mixed with 40% copper and lead, and stamped with Toku, Tsu, Sada, and In at the Kimeshiyo. The market price in the city was about 62 momme per ryo. The first ones minted were 800 kan, and by the time of the Keian era they had reached 1,926 kan, but they were abolished in 1761 (Horeki 11) and Bungin came into use.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

佐渡一国内での通用を目的として1619年(元和5)につくられた銀貨。佐渡は銀の大生産地であったから，通用銀をつくらないと上銀の抜荷（ぬけに）をおさえることができなかった。上銀6分に銅鉛4分の比率で混入したもので極所（きめしよ）で徳･通･定･印の判が打たれた。相場は市中で1両に62匁ほどであった。最初つくられたのは800貫，慶安の吹替えで1926貫に達したが，1761年(宝暦11)に廃止され文銀が通用した。

出典　株式会社平凡社世界大百科事典第２版について　情報

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