William J Kozersky, Philatelist |
1937 U.S. Christmas Seal Sheets: Issued 1937 by the National Tuberculosis Association (NTA). The 1937 U.S. National Christmas Seals were designed by A. Robert Nelson. All U.S. Christmas Seal Sheets identified by Green's Part 1 Catalog numbers and Scott Catalog numbers. We have identified and cataloged the following sheets: |