2010-T2, 2010 U.S. Test Design Christmas Seals, As Required Strip of 8 Designs, VF, MNH. Issued 2010 by the American Lung Association (ALA). Designed by Lisa Alderson/Advocate Art. Images of Santa, dogs, cats, and cardinal, 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 TB Seals are also known as Christmas Seals, and are usually classified as Charity Seals, or Cinderella Stamps.