Issuing
MPC (Military Payment Certificate)
MPC (certificado de pago militar)
Dollar-denominated paper issued by the U.S. armed forces from 1946 to 1973 to pay personnel on overseas bases. It was not legal tender; a secret C-Day voided the current series. In Vietnam the circulating series were 641, 661, 681, and 692.
See also: Conversion Day , Demonetized