Mint Plate Blocks

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

United States #C118 45¢ Air Post - Samuel Langley Mint Plate Block Mint condition, never hinged.

United States #C117 44¢ Air Post - New Sweden Mint Plate Block

United States #C116 44¢ Air Post - Junipero Serra Mint Plate Block

United States #C115 44¢ Air Post - Transpacific Airmail Anniversary Mint Plate Block

United States #C113 33¢ Air Post - Alfred Verville Mint Plate Block

United States #C105-08 40¢ Air Post - Summer Olympics (4 Varieties, Attached) Mint Plate Block Varieties include: #C105 - Shot Put #C106 - Men's Gymnastics #C107 - Women's Swimming #C108 - Weight Lifting

United States #C101-04 28¢ Air Post - Summer Olympics (4 Varieties, Attached) Mint Plate Block of 4 Varieties include: #C101 - Women's Gymnastics #C102 - Hurdles #C103 - Women's Basketball #C104 - Soccer