2006-T4, 2006 U.S. Test Design Christmas Seals, as required, strip of 8 seals, VF, MNH. Issued 2006 by the American Lung Association (ALA). Designed by Chuck Pyle, represented by Ruth Levison Design. Images of Santas, Toys, Girl with Light. Multicolored, serpentine die, self adhesive, silver border.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.