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

1973 Christmas Seal Collection

1973 U.S. Christmas Seals Sheet Collection This is mint, never hinged, full gum dealer stock.
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