William J Kozersky, Philatelist
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U.S. SPRING SEALS
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Full Sheets
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1987-1989
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1988
1988
88-S1x, 1988 National Design U.S. Spring Charity Seals Sheet, 88-17-T1-4
88-S1x1, 1988 ALA Test Design U.S. Spring Charity Seals Sheet, 88-17-T2-4
88-S1x2, 1988 ALA Test Design U.S. Spring Charity Seals Sheet