1920-2B, WX27, U.S. Christmas Seals Block, Type 2B, full gum, VF, MNH. Issued 1920 by the National Tuberculosis Association. Designed by Ernest Hamlin Baker. Image of Santa and child.
Block of twelve (12) Christmas Seals, Strobridge Plate B - Pos 21-34. Seal #34 flaws: round left end of the lower arm of cross is rounded. Fresh and well centered.
This is Type 2B of the seal, red, green, and, blue, 181/2x23mm, with perf 121/2. Scans of front and back provided upon request.
Christmas Seals are also known as TB Seals, and are usually classified as Charity Seals, or Cinderella Stamps.