 Banks (or governments) relying heavily on seigniorage and fractional reserve sources of revenue may find them counterproductive.Rational expectations of inflation take into account a bank's seigniorage strategy, and inflationary expectations can maintain high inflation.Instead of accruing seigniorage from fiat money and credit, most governments opt to raise revenue primarily through formal taxation and other means

The 50 State Quarters series of quarters (25-cent coins) began in 1999.