RR Auction: Fine Autographs and Artifacts

British historian and archaeologist (1817-1894) best known as the excavator of Nimrud and Nineveh, where he uncovered a large proportion of the Assyri

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

Astronomer-scientist (1907–2004) associated with the Franklin Institute, known for his pioneering work on the Martian cloc

German-American science writer and space advocate (1906-1969) who helped popularize rocketry and spaceflight in both Germany and the United States. Gl

Son of President Abraham Lincoln (1843–1926) who served as secretary of war in the Garfield and Arthur administrations. Ve

Two items: an ink signature of Robert Todd Lincoln on a 4.75 x 3 War Department card dated to April 20, 1882; and an ink signature of William H. Sewar

ALS, one page both sides, 4.5 x 7, black-bordered personal letterhead, February 25, 1896. Handwritten letter to English botanist and taxonomist Maxwel

American statesman (1764–1836) who helped draft the Louisiana Civil Code and served as Andrew Jackson's secretary of state

Geologist (1797–1875) referred to as the 'father of modern geology,' who was a close and influential friend of Charles Dar

Desirable 4 x 5.75 cardstock close-up photo of Nelson Mandela, signed in black felt tip, "N. Mandela, 14-4-97.” In very fin

Commemorative cover honoring the South African Constitution, signed in black ink by Nelson Mandela, President P. W. Botha, Chairman of the Ministers...

Two Christmas cards signed by the South African leaders: a 5.25 x 7.75 color Christmas card showing children playing in the snow, signed inside in bla

American politician, abolitionist, and education reformer (1796–1859) remembered for his promotion of public education. AQ

Celebrated French lawyer (1756–1841) who came into the public spotlight during the French Revolution, zealously defending

British Astronomer Royal who held the office from 1765 to 1811, and was the first person to scientifically measure the mass of the planet Earth (1732

Egyptologist (1846-1916) known for his studies of hieroglyphics and archaeological excavations. ALS in French, signed “G. M

Research team renowned for their studies of human sexual response and sexual disorders. Matte-finish 8 x 10 photo of the pioneering researchers, signe

Original patent lithograph for John E. Maynard's "Football," one page, 7.75 x 11.25, October 27, 1925. The diagram features two views ...

American medical practitioner (1865–1939) who helped found the Mayo Clinic with his brother, William James Mayo, and sever

Vintage matte-finish 3.75 x 5.5 photo of the esteemed doctor by Root of Chicago, affixed to its original 6 x 9.25 mount, signed and inscribed in ink,