120-T3x, 2020 ALA Test Design U.S. Christmas Seals Sheet, VF, MNH. Issued 2020 by the American Lung Association (ALA). Artwork by Simon Treadwell/Advocate Art. Imaqes of snowman, puppy with presents, Santa, birds in winter scene, Christmas Tree, child with puppy, snowman with children. Multicolored, self-adhesive, serpentine die cut. All images trimmed in white, within green border. "Christmas Seals 2020" 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.
Sheet of 42 (7x6) Christmas Seals, without gift tags, margin on all four sides. Dated 2020 with "R21-CSCS-4-15" in bottom margin.
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.