1950-59 U.S. Christmas Seal Collection, full gum, F, MNH. Issued each year at Christmas by the National Tuberculosis association (NTA). Ten (10) full sheets - one (1) sheet for each year: 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, and 1959. This is an excellent and economical way to begin or enlarge a Christmas Seal sheet collection.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.