German major and Knight’s Cross with Diamonds winner (1922–1993) who was the leading ace of all time, with 352 victories. Handsome 4.25 x 6 postcard photo of Hartmann in uniform, signed and inscribed in blue ballpoint “To Barry D. Hoffman, with all my best wishes, Erich Hartmann, Jan. 1985.” Accompanied by the original mailing envelope. In fine condition. R&R COA.