8-2x2, WX4a, 1908 U.S. Red Cross Christmas Seals, booklet pane, full gum, F, MNH. Type 2, booklet pane of 6 seals, fresh, not well centered, perfs close on two seals, touch on two, only one seal hinged.
Issued 1908 by the American National Red Cross (ANRC). Designed by Howard Pyle. Booklet pane of 6 (3x2), PM at L, Type 2, carmin and green, seal size: 251/2x261/2mm, perf 12, smooth gum.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.