RR Auction: Fine Autographs and Artifacts

Appealing vintage glossy 4 x 5.75 postcard photo of the royal couple, nicely signed in ink, "Grace de Monaco" and "Rainier, Prince de...

British astronomer (1837–1888) best remembered for having produced one of the earliest maps of Mars in 1867. ALS signed

French mathematician, engineer, and bridge-builder (1755–1839) who worked on hydraulics. Manuscript DS in French, signed

FBI agent and archetypical ‘G-Man’ (1903–1960) responsible for the

Pennsylvania political boss (1833–1904) once dubbed a 'kingmaker' by President Benjamin Harrison; before his political car

Queen regnant of Spain (born 1830) from 1836 to her death in 1904. Scarce 6.5 x 8.75 mounted albumen photo of Queen Isabella by Edgardo DebÃ

Vintage matte-finish 9 x 11 Bassano Ltd. portrait of the queen in an impressive full-length pose, affixed to the original studio mount, signed on the

Scottish chemist (1852–1916) who discovered the noble gases and won the 1904 Nobel Prize in Chemistry. ALS signed

Original patent lithographs for Ferdinand Mannlicher's "Automatic Firearm," two pages, 7 x 10.75, April 27, 1897. The diagrams feature...

Dictator of Argentina in the first half of the 19th century, nicknamed 'Restorer of the Laws' (1793–1877), who remains a c