111-T3x, 2011 U.S. Test Design Christmas Seals Sheet, R12-CSCS-4-07, VF, MNH. Images of Christmas Tree, bells, candles, Christmas scenes, with silver foil border.
Issued 2011 by the American Lung Association (ALA). Designed by Interlitho Designs/ApplejackArtPartners. Sheet of 56 (8x7) without gift tags, margin on 4 sides, "Fighting for Air." Dated 2011 with "R12-CSCS-4-07" in bottom margin. Seal size: 17x24mm. Silver margin scans much darker than actual color.
The Christmas Seal Tradition on the reverse of sheet.
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.