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

1987 ALA U.S. Charity Seals

1987 U.S. Christmas Seals & U.S. Spring Charity Seals Sheet Collection
1987 ALA U.S. Charity Seals 1987 U.S. Christmas Seals
1987 U.S. Christmas Seals 1987 U.S. Spring Charity Seals
1987 U.S. Spring Charity Seals