2013-T4pac, 2013 U.S. Test Design Christmas Seal Campaign Packet, MNH. Issued by the American Lung Association (ALA). Fund raising packet of products from the ALA, which contains one sheet of Test Design U.S. Christmas Seals (113-T4x), Gift Tags (113-T4.8x), Special Occasion Stickers and Address Labels (113-T4.6x), 2014 Calendar (CL113-T4), Note Pad (NP113-T4), a 2013 Sample Annual Christmas Seal Campaign Letter and a return envelope.
Please Note - the silver trim around the seals and gift tags is lighter than shown in the images.
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 TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.