As these were nominal money of which the breadth of profit gained by minting was big, minting without official permission was accelerated, and those minted coins included many inferior quality coins such as silver coins with gold plating, silver coins which contained much ink and lead, and so on.
これらは鋳造による出目の幅が大きい名目貨幣であることが密鋳に拍車をかけ、銀台に金を鍍金したものや、亜鉛および鉛分を多く含む銀貨など悪質なものが多く見受けられる。