H.E. Harris

United States #C55 7¢ Air Post - Hawaii Statehood Mint Sheet of 50

United States #C54 7¢ Air Post - Balloon Jupiter Mint Sheet of 50

United States #C53 7¢ Air Post - Alaska Statehood Mint Sheet of 50

United States #C50 5¢ Air Post - Eagle Mint Sheet of 100

United States #C48 4¢ Air Post - Eagle Mint Sheet of 100

United States #C47 6¢ Air Post - Powered Flight Mint Sheet of 50

United States #C44 25¢ Air Post - Plane & Globe Mint Sheet of 50

United States #C28 15¢ Air Post - Transport Plane (Brown Carmine) Mint Sheet of 50

United States #C43 15¢ Air Post - Globe & Doves Mint Sheet of 50

United States #C42 10¢ Air Post - Post Office Mint Sheet of 50

United States #C40 6¢ Air Post - Alexandria, Virginia Mint Sheet of 50

United States #C39 6¢ Air Post - DC-4 Skymaster (as C33) Mint Sheet of 100