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

1988 U.S. Christmas Seals

88-1x1, 1987 U.S. Christmas Seals Sheet, pm S, reverse of 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