88-S1x, 1987 U.S. Spring TB Charity Seals Sheet , reverse of sheet

1988 U.S. Spring Charity Seals

88-S1x, 1987 U.S. Spring TB Charity Seals Sheet

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