1980 28¢ Air Post - Blanche S. Scott Mint Single

United States #C98 40¢ Air Post - Philip Mazzei Mint Single

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

U.S. Scott #C101 28¢ Air Post - Summer Olympics (Soccer) Mint Single

U.S. Scott #C101 28¢ Air Post - Summer Olympics (Hurdles) Mint Single

U.S. Scott #C101 28¢ Air Post - Summer Olympics (Women's Gymnastics) Mint Single