William J Kozersky, Philatelist |
1923 U.S. Christmas Seal Sheets: Issued 1923 by the National Tuberculosis Association (NTA). The 1923 U.S. National Christmas Seals were designed by Rudolph Ruzicka. All U.S. Christmas Seal Sheets are identified by both Green's Part 1 Catalog and Scott Catalog numbers. We have identified and cataloged the following sheets: |