35 mm black-and-white negative

35 mm black-and-white negative; photographed by Carleton Mitchell; Richard H. Bertram and his son Colin Bertram on board Bertram International 63 ENVOY; Bahamas; 1970; handwritten on original envelope "114-4" and "3748" (corresponds to original Mitchell contact sheet); printed on negative frame number "1". Ref: Carleton Mitchell's notes in the C. Mitchell manuscript collection; G.W. Blunt White Library; "Yacht with a Taste For Haste" by Carleton Mitchell; Sports Illustrated, Feb. 15, 1971.