1988 ALA U.S. Charity Seals
1988 U.S. Christmas Seals & U.S. Spring Charity Seals Sheet Collection
1988 ALA U.S. Charity Seals
1988 U.S. Christmas Seals
1988 U.S. Christmas Seals
1988 U.S. Spring Charity Seals
1988 U.S. Spring Charity Seals