Bethesda 171-91. 1933-53 Bethesda Sanatorium TB Charity Seal Collection, full gum, F, MNH. Issued by Bethesda Sanatorium, Denver, Colorado. The collection is comprised of 21 seals issued 1933-1953. Included are Bethesda 171, 172, 173, 174, 175, 176, 178, all from panes; and Bethesda 177, 179.1, 180.1, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, all from sheets. Seals are fresh, multicolored, with full gum, F, MNH.
Note: Bethesda 171, 172, 173, 174, 175, 176, 178, were only issued in panes, while Bethesda 179 was issued in both panes and sheets. Further Bethesda 180 was issued in perforated or rouletted sheets
TB Charity Seals are also known as Christmas Seals, and are classified as Charity Seals or Cinderella Stamps