73-4x1, WX251, 1973 U.S. Christmas Seals Sheet, pm B, reverse of sheet

1973 U.S. Christmas Seals pm E

73-1x, WX250a, 1973 U.S. Christmas Seals Sheet, pm E, reverse of sheet
1973 Christmas Seal Collection 1973 U.S. Christmas Seals pm E
1973 U.S. Christmas Seals pm E 1973 U.S. Christmas Seals pm F
1973 U.S. Christmas Seals pm F 1973 U.S. Christmas Seals pm W
1973 U.S. Christmas Seals pm W 1973 U.S. Christmas Seals pm B
1973 U.S. Christmas Seals pm B