Influential psychologist (1875–1961) who studied under Freud before the two parted ways over divergent psychological theories. Jung is now recognized as the founder of analytical psychology. Glossy 3.5 x 4.75 photo, signed in ink “C. G. Jung.” Accompanied by the original mailing envelope addressed to well-known collector Kenneth Browne and postmarked 1958. Scattered small creases and surface marks (typed notations on reverse show slightly), and area of slight discoloration to emulsion behind signature, otherwise fine condition. JSA/John Reznikoff Auction LOA and RRAuction COA.