It is said that the Tsushima Domain did not use this name in the trade and used another name 'Tokuchugin' (the silver coin minted for special purposes) to avoid misunderstanding for Genrokugin by Korean side; that is, the Tsushima Domain did not want the Korean side to think that payments up to that point was intentionally made by using low quality silver coins.
これまでの元禄銀による支払いは故意に悪質の銀貨を渡していたとの誤解を避けるため、対馬藩では貿易取引において「特鋳銀（とくちゅうぎん）」と称したという。