RR Auction: Fine Autographs and Artifacts

American property tycoon (1792–1875) who inherited most of his father John Jacob Astor's fortune. ALS signed “Wm. B. Astor, Presd't Am'n...

Pioneering British mathematician and mechanical engineer (1791–1871) whose Difference Engine and Analytical Engine are generally acknowledged as the f

Enormous matte-finish 13.5 x 16.5 photographic reproduction of a painting of Edison, affixed to a 14.75 x 18.5 mount, signed and inscribed on the moun

Influential Swiss mathematician (1667–1748) known for his contributions to infinitesimal calculus. Rare AQS signed "Joh. Bernoulli" on an ...

TLS in German, signed “A. Einstein,” one page, 8 x 10, blindstamped Princeton letterhead, no date. Letter to Frau Erna Silber-Keller, in full (transla

Remarkable ALS in German, signed “Albert” and “Papa,” one page both sides, 9 x 11, December 5, 1919. The front features a letter to his wife Mileva Ma

Fountain pen signature, "A. Einstein,” on an off-white 5.5 x 3.25 government postcard postmarked at Princeton, December 11, 1938. In fine condi...

German theoretical physicist (1901–1976) awarded the 1932 Nobel Prize in physics for the creation of quantum mechanics. Untranslated TLS in German, si

Signed book: Etudes sur le Vin. First edition. Paris: Victor Mason et Fils, 1866. Beautifully rebound in brown leather and marbled paper, 6.5 x 9.5, 2

TLS in French, signed “C. G. Jung,” one page, 8 x 11.5, personal letterhead, March 4, 1954. In part (translated): "I knew Mr. Einstein when he ...