1976 American Lung Association Pamphlet, with the help of Green's Catalog, listing 76 World Wide Christmas Seal issuing countries, and crediting Denmark, as the inventor of the first "Christmas Seal" in 1904.
1976 American Lung Association Pamphlet
1976 American Lung Association Pamphlet, with the help of Green's Catalog, listing 76 World Wide Christmas Seal issuing countries, and crediting Denmark, as the inventor of the first "Christmas Seal" in 1904.