U.S. Air Mail Stamp C39 Unused

United States Airmail Stamp - 1949 - 6¢ DC-4 Skymaster (as #C33)

Poland C39 Laziersky Square, Warsaw 1954

U.S. Back of the Book Stamps

Scott C39 US Air Mail Stamp 1949 6c DC-4 Skymaster Used Pair

U.S. Back of the Book Stamps

6 cent air mail Values - MAVIN

Stamps: Errors (Page 8)

1941-48 US Airmail SC#C25-C31, #C33, #C39 Set MH/OG

MODERN AIRMAIL STAMPS: C25-DATE

C39 - 1949 6c DC-4 Skymaster - Mystic Stamp Company

Scott# C39 US Air Mail Stamp 1949 6c DC-4 Skymaster Block of 11 Used - #1796

Iraq Scott #C39 MH Middle East - Iraq, Air Mail Stamp / HipStamp

Daniel F. Kelleher Auctions, LLC Sale - 663 Page 55

Classic US Transport Airmail Stamps complete set Mint