1911-3, WX9, 1911 U.S. Red Cross Christmas Seals, Coil Pair, Type 3, full gum, XF, MNH. Issued 1911 by the American National Red Cross. Designed by Anton Rudert. Image of a house within thin red circle.
The 1911 Type 1 Christmas Seal has a circular frame 20mm in diameter, the house is green with shaded lines, with red windows, and a thin red circle.
Typographed by Eureka Speciality Printing Co., perf. 81/2 vertical.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.