33-4x, WX103, 1940 NTA U.S. Christmas Seals Sheet, pm U

1940 U.S. Christmas Seal Sheet

1940 NTA U.S. Christmas Seals Sheet Collection
1940 U.S. Christmas Seal Sheet 1940-1.1x U.S. Christmas Seals
1940-2xA U.S. Christmas Seals 1940-3x U.S. Christmas Seals
1940-4x U.S. Christmas Seals