27-1x, 1927 U.S. Christmas TB Seals Sheet, HBg, full gum, F, MNH. Fresh, firm paper, vibrant colors, shipped flat.
Issued 1927 by the National Tuberculosis Association (NTA). Designed by John W. Evans. Image of Santa, sleigh and reindeer. Sheet of 100 (10x10); Perf. 12; size: 241/2x18; colors: black, red, yellow, and blue. HBg.
Printer's mark - no printer's mark. However, there is a vertical blue line below the forefoot of the lead deer, on seals #45 and #50, which indicates printing by Eureka. There are no slogan or portrait seals.
This is mint, never hinged, full gum dealer stock.
Christmas Seals are also known as TB Charity Seals, and are usually classified as Charity Seals, or Cinderella Stamps.