RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Manchu prince and regent of the late Qing dynasty (1883–1951) who was the father of Puyi, the last emperor of China. Bold ink signature in Chinese of

Exceedingly rare color poster for the White Star Line, 39 x 29, of the company's two newest and biggest ships, the Titanic and Olympic, circa ea...

ALS, one page both sides, 8 x 10, May 3, 1830. Written from Maysville, Kentucky, a letter to Michael Sprigg of Maryland, who served with Crockett in t

German politician (1840–1913) who was one of the founders of Germany's oldest political party, the Social Democratic Party. ANS in German, signe...

Significant pairing of TLSs by Menachem Begin and Jimmy Carter: TLS signed "M. Begin," one page, 8.25 x 11, Prime Minister of Israel lett...

Diary entry written by Joseph Bonanno while incarcerated at a federal prison in Lexington, Kentucky, unsigned, one page, 6 x 9.25, dated "Frida...

Uncommon FDC, 7.5 x 4.5, with a color cachet honoring Queen Elizabeth II and her Canadian Royal Standard, signed in black or blue ink by Tony Blair, J

Matte-finish 3.75 x 5.75 head-and-shoulders photo of Chiang Kai-shek, signed in bold ink in Chinese. Reverse bears a Wu Chung Yee credit stamp. In fin

American politician (1769–1828) who served as senator and who, as governor of New York, played a major role in the construction of the Erie Canal. ALS

John Z. DeLorean Corporation, Research & Engineering Division business check, 8.25 x 3, filled out in type and signed by DeLorean, "John Z....