117-T3, 2017 U.S. Test Design Christmas Seals, As Required Strip of 7 Designs, VF, MNH. Issued 2017 by the American Lung Association (ALA). Designed by Daniel Rodgers. Images of Christmas stocking, Christmas wreath on light pole, Santa with gift, car with Christmas tree, Christmas tree by fireplace, snowman and sled, ice skating. All images trimmed in red with white border. Christmas Seals 2017 at bottom of each seal. Multicolored, self-adhesive, serpentine die cut, all images trimmed in red within green border. Christmas Seals 2017 at bottom of each seal.
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.