35 mm black-and-white negative

35 mm black-and-white negative; photographed by Carleton Mitchell; crew on deck of America's Cup 1964 challenger 12 meter SOVEREIGN; underway; probably practicing prior to the race; 1964; handwritten on original envelope "CS 480" and "C-1" (corresponds to original Mitchell contact sheet); handwritten on back of original corresponding contact sheet "C. MITCHELL/ CS - 480/ 9-25-64"; printed on negative frame number "4".