Common, scarce and rare Military Payment Certificates (MPC; U.S. paper money; includes Allied Military Currency) at Mintmark.com.
Please visit these fine companies. Thank you.
"Military Payment Certificates (MPC) evolved from Allied Military Currency as a response to the large amounts of US Dollars circulated by American servicemen in post-World War II Europe. The local citizens might not trust local currencies as the future of their governments was unclear. Preferring a stable currency like U.S. dollars, local civilians often accepted payment in dollars for less than the accepted conversion rates. US Dollars became more favorable to hold, inflating the local currencies and thwarting plans to stabilize the local economy. Contributing to this problem was the fact that troops were being paid in dollars, which they could convert unlimited amounts to the local currency with merchants at the floating (black market) conversion rate, which was much more favorable to the GIs than the government fixed conversion rate. From this conversion rate imbalance, a black market developed where the servicemen could profit from the more favorable exchange rate. To reduce profiteering from currency arbitrage, the US military devised the MPC program. MPCs were paper money denominated in amounts of 5 cents, 10 cents, 25 cents, 50 cents, 1 dollar, 5 dollars, 10 dollars, and starting in 1968 20 dollars. MPCs were fully convertible to US dollars upon leaving a designated MPC zone and convertible to local currencies when going on leave (but not vice-versa), and were illegal for unauthorized personnel to possess, thus, in theory, eliminating US dollars from local economies . . ." — Military Payment Certificate at Wikipedia
