105-1x1, 2005 U.S. National Christmas Seals Sheet, R06-CSCS-4-01, self-adhesive, VF, MNH. Issued 2005 by the American Lung Association (ALA). Designed by Mark Maffin. Images of Snowman, Birds, Santa, and Angel, on silver foil sheet of 56 (8x7), without gift tags.
Seals are self-adhesive, serpentine die cut, SE3S, margin at bottom, backing paper with green "History of the First Christmas Seal." Silver margin scans much darker than actual color. R06-CSCS-4-01 in bottom Margin.
Christmas Seals are also known as TB Seals, and are usually classified as Charity Seals, or Cinderella Stamps.