2009-T2x, 2009 U.S. Christmas Seals Test Design Sheet, R10-CSCS-4-12, VF, MNH. Issued 2009 by the American Lung Association (ALA). Old Seal Designs with Santas and Snowman, all with white border.
Sheet of 56 (7x8) seals without gift tags, margin on 4 sides, "Fighting for Air." Dated 2009 with "R10-CSCS-4-12" in bottom margin.
"Celebrate Another Year" 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 Seals, and are usually classified as Charity Seals, or Cinderella Stamps.