these money dealers , precursors to the later money changers , came to enter the exchange business after the sanka seido or tri-metallic monetary standard was established , as mentioned below . 後世の両替商はこうした業者が後述の三貨制度の確立によって両替の分野にも関わるようになったものと考えられている。
the meiji government took over the kin-za (an organization in charge of casting and appraising of gold during the edo period ) and the gin-za (an organization in charge of casting and appraising of silver during the edo period ) from shogunate , also coined around 3 .81 million ryo low quality gold coins , around 2 .24 million ryo silver coins , for a total amount of around 6 .05 million ryo from april 1868 to the february of next year (this was more or less , the official currency issued by the government , but from the point of view that it didn ' t meet the monetary standard defined by the government itself , it was not much different from counterfeits ). そして明治政府もまた、明治元年4月から翌年2月にかけて幕府から接収した金座_(歴史)・銀座_(歴史)において、質の劣る金貨を約381万両、銀貨を約224万両、合計約605万両を鋳造した（これは一応政府が発行した公式通貨であるが、政府自らが規定した貨幣としての基準を満たしていないという点では贋貨となんら変わりがない）。
