Mexican peso while all currency that only said "peso" was removed from circulation. The Bank of Mexico then issued new currency with new graphics, also under the "nuevo peso". These were followed in due course by the current, almost identical, "peso" currency without the word "nuevo". In 1993, coins of the new currency (dated 1992) were issued in denominations of 5, 10, 20 and 50 centavos, 1, 2, 5, 10, 20 and 50 nuevos pesos. The 5 and 10 centavos were minted in stainless steel and the 20 and 50 centavos in aluminium bronze. The nuevo peso denominations were bimetallic, with the
Gold standard can be removed. Commodity money retains its value despite what may happen to the monetary authority. After the fall of South Vietnam, many refugees carried their wealth to the West in gold after the national currency became worthless. Under commodity standards currency itself has no intrinsic value, but is accepted by traders because it can be redeemed any time for the equivalent specie. A US silver certificate, for example, could be redeemed for an actual piece of silver. Representative money and the gold standard protect citizens from hyperinflation and other abuses of monetary policy, as were seen in some countries