1988 45¢ Air Post - Samuel Langley Mint Single

United States #C118 45¢ Air Post - Samuel Langley Mint Sheet of 50 Mint condition, never hinged.

United States #C119 36¢ Air Post - Igor Sikorsky Mint Single Mint condition, never hinged.

U.S. Scott #C117 44¢ Air Post - New Sweden Mint Single

United States #2379 45¢ Love Mint Single

United States #C120 45¢ Air Post - French Revolution Mint Single Mint condition, never hinged.