1980 40¢ Air Post - Philip Mazzei Mint Single

United States #C98 40¢ Air Post - Philip Mazzei (Perf. 10½ x 11¼) Mint Single

United States #C100 35¢ Air Post - Glenn Curtiss Mint Single Mint condition, never hinged.

United States #C129 40¢ Air Post - Aviation Pioneer William Piper Mint Single Mint condition, never hinged.

U.S. Scott #C106 40¢ Air Post - Summer Olympics (Men's Gymnastics) Mint Single

U.S. Scott #C107 40¢ Air Post - Summer Olympics (Women's Swimming) Mint Single