RR Auction: Fine Autograph & Artifact Auction

King of Prussia during the Napoleonic wars (1770–1840) who ruled from 1797 until his death. Untranslated LS in French, signed “Frederic Guillaume,” on

French naturalist (1756–1825) who contributed to the Comte de Buffon’s Histoire Naturelle. Manuscript DS in French, signed “B. G. Et. l. Cte. de Lacep

French mathematician who specialized in celestial mechanics (1811–1877) best known for his part in the discovery of Neptune. Untranslated LS in French

American diplomat during the American Revolutionary War (1740–1792). Unsigned document, three pages on two adjoining sheets, 8 x 13.5, January 6, 1804

American physical chemist (1908–1980) whose role in the 1949 development of radiocarbon dating, a process which revolutionized archaeology and palaeon

American statesman (1764–1836) who helped draft the Louisiana Civil Code and served as Andrew Jackson’s secretary of state. Partly-printed DS, signed

Signer of the US Constitution from New Jersey (1723–1790) who also served as governor of that state. Ink signature, “I have the honor to be, Dear sir,

Soviet politician and Communist Party leader (1901–1988) who became closely aligned with Joseph Stalin and who was given sole responsibility for the S

Fountain pen signature, “To Professor Siegfried Buxbaum, very friendly, Guglielmo Marconi, 19 Sept. 1934—,” on the reverse of an off-white 4 x 2 perso

Partly-printed document, one page, 17 x 21.25, August 5, 1843. Shipping document outlining rules for the seamen on board a ship, including “no profane