RR Auction: Fine Autograph & Artifact Auction

Choice green fountain pen signature, “Albert Einstein, 1940,” on an off-white 3 x 2.25 card. In fine condition, with trivial show-through from toned m

TLS in German, signed “A. Einstein,” one page, 8.5 x 11, blindstamped personal Princeton letterhead, April 3, 1945. Letter to Erich Cohn of the A. Goo

Extraordinary pair of ALSs in German, each signed “A. Einstein,” totaling three pages, June–July 1913. Both are to his fellow theoretical physicist Dr

ALS in German, signed “Papa,” one page, 8.5 x 8.25, no date. Letter to his son Eduard Einstein, nicknamed “Tetel,” in full (translated): "I was...

Uncommon vintage glossy 3.75 x 5.75 photo of Einstein with two friends displayed within its original mat, signed and inscribed on the mat in fountain

American inventor, engineer, and entrepreneur (1765–1815) best known for designing the first commercially successful steamboat. His other endeavors in

English physician (1578–1657) who was the first to describe in detail the circulation of blood. Extraordinarily rare vellum manuscript DS, signed “Wil

ALS signed “R. J. Gatling,” one page, 5 x 7.75, January 12, 1894. Written from Hartford, Connecticut, a letter to Lee Slyman, in full: “In compliance

ALS, one page both sides, 4 x 6, black-bordered 12 Park Crescent letterhead, October 11, 1895. Letter to Dr. William Bulloch, in full: “I am much obli

Distinguished German physicist (1845–1923) who discovered X-rays in 1895, for which he was awarded the Nobel Prize in 1901. ALS in German, signed “Dr.