William J Kozersky, Philatelist |
NWF Christmas Charity Stamps Sheets & Panes: National Wildlife Federation (NWF) Christmas Charity Stamps Sheets & Panes. Funds derived from the donations received for these stamps were used to support the activities of the National Wildlife Federation (NWF). They were generally intended to be used on mail, as a way of advertising support of the charity. NWF Charity Seals are identified by Mosbaugh's Catalog Part 8 catalog numbers. We have identified and cataloged the following sheets and panes: |