Denmark 1, 1904 Denmark TB Charity Seal, full gum, VF, MNH. World's 1st TB Charity Seal, issued 1904 with image of Queen Louise. Danish National Society against Tuberculosis. Violet and Black; seal size: 24x30mm.
TB Charity Seals are also known as Christmas Seals, and are usually classified as Charity Seals, or Cinderella Stamps.