Military payment certificate

This was a response to the large amounts of US Dollars circulated by American servicemen in post-World War II Europe.

Troops paid in dollars found merchants were willing to convert unlimited amounts of US banknotes to the local currency at the floating (black market) conversion rate.

After the official end of U.S. participation in the Vietnam War in early 1973, the only place where MPC remained in use was South Korea.

Such cards were issued to U.S. armed forces in Bosnia, Kosovo, Djibouti, Iraq, and Afghanistan, as well as other non-combat zones on a limited basis.

A Korean War C-day is a key plot element of "Change Day," an episode from the sixth season (1977-1978) of the television series M*A*S*H. Major Charles Emerson Winchester III schemes to purchase soon-to-be-worthless MPC from local farmers and merchants for cash at 10% of face value, planning to trade it in and pocket a large profit.

Hunnicutt arrange for the military police to set up a roadblock that delays him from reaching camp in time for the exchange.

In the Vietnam War novel The Short-Timers (1979) by Gustav Hasford, Marine Sergeant James T. "Joker" Davis encounters an officer who habitually plays Monopoly with a subordinate.

In “Hard Stripe”, a 1989 episode of the TV series Tour of Duty, set in Vietnam, a Finance Corps lieutenant at Tan Son Nhut in 1968 spots a soldier in illegal possession of a five dollar treasury note.