72-3x, WX248, 1972 U.S. Christmas Seals Sheet, pm B, reverse of sheet

1972 U.S. Christmas Seals

1972 U.S. Christmas Seals Sheet Collection, reverse of sheets
1972 U.S. Christmas Seals 1972 U.S. Christmas Seals
1972 U.S. Christmas Seals pm E 1972 U.S. Christmas Seals pm E
1972 U.S. Christmas Seals pm F 1972 U.S. Christmas Seals pm F
1972 U.S. Christmas Seals pm B 1972 U.S. Christmas Seals pm B