U.S. Scott 815(2) Prexie, 901, 899 on Registered Cover

U.S. Scott 842, 815 Prexies and C33 on Air Mail Special Delivery Cover

U.S. Scott 815(3) on on Air Mail Cover to England

U.S. Scott 829, 815 and 804 Prexies on Registered Return Receipt 1949 Cover

U.S. Scott 829, 815, and 806 Prexies on Registered Return Receipt U534 Envelope

U.S. Scott 820 and 815 Prexies on 1950 Cleveland, Ohio Special Delivery Cover

U.S. Scott 815 (6) Prexies and Scott 928 on Air Mail to Australia

U.S. Scott 815, 811 Prexies on Air Mail Special Deliver 1943 Patriotic AdCover

U.S. Scott 815 Prexie and 1033 Liberty on Airmail Allis-Chalmers Ad Cover