35 mm black-and-white negative

35 mm black-and-white negative; Carleton Mitchell with ham radio equipment; aboard trawler yacht LAND'S END; in Florida or the Bahamas; summer 1973; handwritten on original envelope "122-4" and "2871" (corresponds to original Mitchell contact sheet); printed on negative frame number "20A". Ref: Carleton Mitchell's notes in the C. Mitchell manuscript collection; G.W. Blunt White Library.