African-American explorer (1866–1955) who was a member of the first party to (possibly) reach the North Pole in 1909. Commemorative cover with a cachet honoring the 25th anniversary of the discovery of the North Pole and the Peary Expedition, signed in fountain pen across the cachet. In fine condition, with moderate overall signature contrast due to signing across the cachet, faint shade of uniform toning, and a few spots of staining to upper edge. RRAuction COA.