110-T3x, 2010 U.S. Christmas Seal Test Design As Required Strip of 8 Designs, VF, MNH. Issued 2010 by the American Lung Association (ALA). Designed by Betty Caithness/ Painted Planet Licensing Group. Images of Ornament, Sleigh, Poinsettia, and Snowscenes, all with silver foil border. Multicolored, self-adhesive, serpentine die cut, silver foil border. Seal size: 17x24mm. Silver margin scans much darker than actual color.
These are test designs. Since 1979, the American Lung Association has issued test designs to determine the design of the national seal for the following year.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.