William J Kozersky, Philatelist |
2020 U.S. Spring Charity Seal Sheets: Issued 2020 by the American Lung Association (ALA). The 2020 U.S. Spring Charity Seals were designed by various artists; see item descriptions. All U.S. Spring Charity Seal Sheets are identified by their Green's Part 1 Catalog numbers. We have identified and cataloged the following sheets: |