1985-T6x, 1985 U.S. Christmas TB Seals, Test Design, Sheet/42, full gum, F, MNH. Shipped flat, scan of sheet front.
Issued 1985 by the American Lung Association (ALA). Designed by Wayne Berringer. Image of dove silhouettes, perf. 121/2, sheet of 42 (7x6), SE 3S, PM at right, gift tags in 5th column, no printer's mark.
Design experiment Christmas Seals, which began in 1979, are issued on a limited basis to help select the design of the following year's national issue. The nationally issued Christmas Seals from 1981 to date were selected from a previous design experiment.
Christmas Seals are also known as Christmas Seals, and are usually classified as Charity Seals, or Cinderella Stamps.