121-T1, 2021 ALA Test Design U.S. Christmas Seals, As Required Strip of 7 Designs, VF, MNH. Issued 2021 by the American Lung Association (ALA). Designed by Jason Kirk@Portfolio Select. Imaqes of red truck, deer, Santa with puppy, cardinal, dog, and Christmas scenes. Images trimmed in white within green border. "Christmas Seals 2021" at top of each Christmas Seal.
Image of Cross of Lorraine with text "American Lung Association" at bottom margin of each seal. The Cross of Lorraine is the international symbol of the crusade against TB.
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.
