Swiss physicist, inventor and explorer (1884–1962). Two letters on blind-stamped personal letterhead: An ALS, in German, signed “A. Piccard,” one page, 8.25 x 11.75, dated November 18, 1957; and a TLS, in German, signed “A. Piccard,” one page, 8.25 x 11.75, dated December 28, 1960. In fine condition, with central horizontal and vertical fold to both letters and some light toning to TLS. RRAuction COA.
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