American explorer (1856-1920) best known for his claim as the first man to reach the North Pole; whether his expedition actually reached the target destination remains a long-argued point of history. Vintage glossy 3.5 x 5.5 postcard photo of Commander Peary, signed on the reverse in thick black ink, "R. E. Peary." In fine condition. Encapsulated in a PSA/DNA authentication holder.