RR Auction: Fine Autographs and Artifacts Featuring Military

Inventor of the Colt revolver and founder of the Colt Firearms Company (1814–1862). ALS signed “Sam. Colt,” one page, 8.25 x 10.5, handsome Colt'...

Choice unsigned 2.5 x 4 carte-de-visite portrait of Charles Darwin by the London Stereoscopic & Photographic Company, showing the revered natura...

ALS signed “Ch. Darwin,” one page, 5 x 8, Down, Beckenham, Kent, Railway Station letterhead, November 11, 1881. Letter to Julius Frazelle Galbraith, i

LS signed "Ch. Darwin," five pages on three sheets, 5 x 8 (last page slightly smaller), personal letterhead, April 4, 1866. Letter to Rudo...

TLS in German, signed “Diesel,” one page, 8 x 11, personal letterhead, October 25, 1911. A reply to the "Minutes of directors meetings" be...

Signed book: The Double Helix. Later printing. NY: Atheneum, 1968. Hardcover with dust jacket, 5.5 x 8.5, 226 pages. Signed on the title page in black

Scottish bacteriologist (1881–1955) who shared the 1945 Nobel Prize in Medicine for his role in the discovery and isolation of penicillin. Autograph p

TLS in German, signed “A. Einstein,” one page, 8.5 x 11, blindstamped Princeton letterhead, February 24, 1939. Letter to Dr. Joseph Cohn in New York,

French physician and politician (1738–1814) whose name became synonymous with the 'humane' instrument of execution whose use he proposed to ...

British mathematician, astronomer, and inventor (1792–1871) known for his discoveries related to the moons of Saturn and Uranus and for his pioneering