Photograph of four photographs of Clark, with captions below each, and title printed at bottom. Top photograph, Clark as a young man in sailor's garb; captioned "Before the Mast 'Black Prince'". Bottom photographs, left to right: Clark as a young man, in a coat and tie, captioned "Third Mate 'Black Prince'"; Clark as a middle-aged man, with moustache, titled "Captain of the 'Alice'"; head and shoulders portrait of Clark in middle age, captioned "Captain of the 'Indiana'".
