Therefore, to evaluate the quality of these coins, there were no other means except using external sizes and their thickness, cause bitasen coins to mix more easily and consequently downgrading their real values further.
このため、外形の大きさや厚みなどの見た目で判断するしかなく、これにつけ込んだ「鐚銭」も混じりやすいためにますます実勢レートが下がった。