9-1, WX5, 1909 Red Cross Christmas TB Seal, full gum, VF, MNH. The 1909 Christmas TB Seal was issued by the American National Red Cross. Designed by Carl Wingare. Lithographed by Strobridge Lithographing Co. Size 23x23mm, perf. 12. There was just one type. Scan is an example of the seal.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.