Rare Series 521 (from 1952) 5 cents Military Payment Certificate (MPC) with serial number. Korean War era. Collectible Vintage Note/Paper Money. Average circulated condition. You will receive the exact note in the photos. Size is approx. 4-5/16 long x 2-1/8″ wide. Military Payment Certificates were a form of currency to pay U.S. military personnel in certain foreign countries. Great military collectible. Stock no. MPC-2. Flat shipping charge to USA regardless of quantity or additional items includes tracking.