H.E. Harris

United States #5952/6043. 2025 Commemorative mint year set includes, 5952, 5957, 5961-65, 5976, 5978-81, 6003, 6004, 6005, 6022, 6025-28, 6029-30, 6032, and 6043. 24 varieties, mint never hinged...

United States #C16. 5¢ Winged Globe Air Post (Violet, Perf. 10½ x 11). Fine original gum, hinged plate block. *plate block received may vary from image.

United States #C70 8¢ Air Post - Alaska Purchase Mint Plate Block

United States #C93-94 21¢ Air Post - Aviation Pioneers: Octave Chanute (2 Varieties, Attached) Mint Plate Block Varieties include: #C93 - Octave Chanute & Plane #C94 - Octave Chanute &...

United States #C90 31¢ Air Post - Plane, Flag, & Globes Mint Plate Block

United States #C89 25¢ Air Post - Plane & Globes Mint Plate Block

United States #C88 26¢ Air Post - Mt. Rushmore Mint Plate Block

United States #C87 11¢ Air Post - Statue of Liberty Mint Plate Block

United States #C86 11¢ Air Post - Electronics Mint Plate Block

United States #C84 11¢ Air Post - City of Refuge Mint Plate Block

United States #C81 21¢ Air Post - USA & Plane Mint Plate Block

United States #C80 17¢ Air Post - Liberty Head Mint Plate Block