35 mm black-and-white negative

35 mm black-and-white negative; Carleton Mitchell at the helm of America's Cup challenger 12 meter SCEPTRE during an early practice trial in the Solent Channel, England; May 17, 1958; skipper Graham Mann also in view; handwritten on original envelope "R 14776" and "C2" (corresponds to original Mitchell contact sheet); printed on negative frame number "17". Ref: "Summer of the Twelves" by Carleton Mitchell; 1959.