bad money
悪貨 / bad-money — Phenomena
Money with less inside it, and so of poorer worth.
Sixpence of Elizabeth I1560s–
Leeuwendaalder (lion daalder)1575–
Monneron of 2 sols1791
When circulating at the same face value as good money, people will spend the bad money first. This is a matter of course, but when this behavior accumulates, good money disappears from the market.