This 1978 conservation label issued by the National Wildlife Federation features the majestic American Bison standing on open prairie grasslands. Inscribed with “Our Wildlife Needs You,” the stamp promotes wildlife conservation awareness rather than postal use. The detailed artwork highlights the bison’s powerful build and symbolic importance in North American ecology. Such charity and conservation labels are popular among thematic collectors focusing on wildlife, environmental campaigns, and American fauna. A meaningful addition for collectors of conservation seals, Cinderella stamps, and nature-themed philately.