1979-80 U.S. National Christmas Seal Collection, As Required

1969-81 U.S. Christmas Seals

1969-74, 1981 U.S. National Christmas Seal Collection, As Required

1969-81 U.S. Christmas Seals
1975-76 U.S. Christmas Seals
1977-78 U.S. Christmas Seals
1979-80 U.S. Christmas Seals