1949 6¢ Air Post - Alexandria, Virginia Mint Single

U.S. Scott #C40 6¢ Air Post - Alexandria, Virginia Mint Sheet of 50

U.S. Scott #C45 6¢ Air Post - Wright Brothers Mint Single

U.S. Scott #C39 6¢ Air Post - DC-4 Skymaster (as C33) Mint Single

U.S. Scott #C43 15¢ Air Post - Globe & Doves Mint Single

U.S. Scott #C44 25¢ Air Post - Plane & Globe Mint Single