121-1, 2021 National Design U.S. Christmas Seals, As Required Strip of 7 Designs, VF, MNH. Issued 2021 by the American Lung Association (ALA). Designed by Janet Grace/Pure Illustration. Imaqes of snowman, penguins on tobaggon, bear with penguins, bear decorating tree, bear and penguins on a scooter, bear with wreath, bear and child decorating Christmas Tree. Multicolored, self-adhesive, serpentine die cut, all images trimmed in alternating red or green within white border. "Christmas Seals 2021" at top of each Christmas Seal. Seal size: 21x25mm, cut from 121-1x U.S. Christmas Seals Sheet.
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.
Christmas Seals are also known as TB Seals, and are usually classified as Charity Seals, or Cinderella Stamps.
