RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Warren Buffett's personally-owned and -used set of golf clubs, comprising his customized golf bag and fourteen clubs, given to the one-time fian...

ALS in French, one page, 5.25 x 8, Montreaux Palace Hotel letterhead, September 30, 1925. In full (translated): "All my thanks, dear Mr. Bernst...

ALS in German, signed “Freud,” penned on the reverse of a 4 x 2 business card belonging to the recipient, his assistant, Dr. Paul Federn, January 2, 1

ALS signed “Freud,” one page both sides, 9 x 11.25, personal letterhead, November 5, 1935. Letter to Austrian writer Stefan Zweig, about the Nobel Pri

Influential German philosopher (1770–1831) who espoused a dialectical method by which an idea (thesis) was challenged by its opposite (antithesis) and

Russian geographer, zoologist, and political theorist (1842–1921) best known for his advocacy of anarchist communism. ALS signed “P. Kropotkin,” three

English scholar influential in the fields of political economy and demography (1766–1834). ALS signed “T. Robt. Malthus,” one page both sides, 7.25 x

French early socialist theorist (1760–1825) whose thought influenced the development of the philosophy of science, discipline of sociology, positivism

Rare German-language ordination card for Joseph Ratzinger, 2.75 x 4.25, showing an image of the young priest above with dates of his ordination below,

Desirable glossy 6 x 8 full-length photo of Pope John XXIII blessing a row of men at a Roman hospital, affixed to the original 9.25 x 12.5 presentatio

Born Eugenio Maria Giuseppe Giovanni Pacelli (1876-1958), he served as pope from 1939 until his death. TLS in Italian, signed “E. Card. Pacelli,” one

Statesman, author, orator, political theorist, and philosopher (1729–1797) who, after relocating from Ireland to England, served for many years in the

Notable pair of ALSs in Spanish, both signed "F.," no date, both 6 x 6.5, both addressed to Generals Arnaldo Ochoa and Polo Cintra Frí...

Premier of the People's Republic of China (1921–2008) who served from 1976-1980; he was eventually outmaneuvered by Deng Xiaoping, who forced Hu...

Political leader (born 1928) who served as premier of the People's Republic of China from 1987 through 1998, best known for declaring martial la...

Founder and first President of Czechoslovakia (1850–1937). ALS signed “T. G. Masaryk,” one page both sides, 6.75 x 8.25, December 27, 1931. Letter to

British politician (1718–1792) who held a number of important positions, but remains best known as the namesake of the sandwich. ALS signed “Sandwich,

Exceedingly rare ALS in Cyrililc, one page, 5.25 x 7.75, February 5, 1939. Letter to his thirteen-year-old daughter Svetlana, facetiously couched as a

Attractive matte-finish 8.25 x 10.75 photo of a painting of Peron with a large flower on her lapel, affixed to a 12.5 x 16.5 mount, calligraphically i

Color 4.5 x 6.5 magazine photo of Svetlana Alliluyeva posing with her son Iosif in the mid-1950s, matted to a slightly larger size, signed on the mat

TLS in French, signed “Votre, L. Trotsky,” one page both sides, 8.5 x 11.5, October 31, 1929. Letter to his lawyer Gerard Rosenthal about the Trotskis

Chinese politician (1921–2008) who served as the foreign minister and vice premier of the People's Republic of China. Glossy 9.25 x 7 German pr...

President of the Republic of China in Beijing from 1918–1922, who was the only permanent president of the Beiyang government to be a civilian (1855–19

High-ranking politician in the People's Republic of China (1919–2005) instrumental in implementing free-market reforms. Scarce glossy 9.5 x 7 Ge...

King of France (born 1494) who reigned from 1515 until his death in 1547. Known as the 'Father and Restorer of Letters,' the cultured and we...

Marvelous matte-finish 9.25 x 11.75 portrait of Queen Elizabeth II wearing her glimmering crown jewels by Royal Court photographer Dorothy Wilding, af

ALS in French, unsigned, one page both sides, 7.25 x 11.5, no date but circa 1688. Queen Christina's draft for a letter to King Louis XIV. In pa...

Unusual oversized glossy 20 x 10.75 photo of Queen Elizabeth II at the official launch of the British oil tanker S.S. 'British Admiral,' aff...

Handsome matte-finish 7.5 x 7.75 photo of the British royal family taken from their 1959 Christmas and New Year's card, signed in the lower bord...

Uncommon Royal Christmas and New Year's card from 1958, with a gilt-embossed crown on the front, measuring 18.25 x 7.75 open, featuring a color ...

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....

New York mobster and member of the Gambino crime family (1942-1983). Personal check, 6 x 2.75, filled out in another hand and signed by DeMeo, payable

Rare ink signature, "Fred'k Douglass,” on an off-white 3 x 1 slip clipped from a document. In fine condition, with a vertical fold to the l...

Christmas card from 1972 featuring an embossed royal crown on the front, measuring 14.75 x 9 open, with an exceptional seated portrait of the Queen Mo

Commemorative cover with a cachet depicting Mount Everest and honoring Nepal, 'The Living Museum of the World,' signed in ink by Edmund Hill...

Romanian-born American lawyer (born 1920) who was an investigator of Nazi war crimes after World War II and the Chief Prosecutor for the United States

Democratic mayor of Boston nicknamed 'Honey Fitz,' father of Rose Kennedy, and namesake of his grandson John F. Kennedy (1863–1950). Vintage...

TLS, one page, 5.75 x 9, Supreme Court of the United States letterhead, January 7, 1946. Letter to Harold R. Shapiro, in full: "I wish much tha...

Two items: a glossy 2.75 x 4.5 head-and-shoulders photo of Gandhi, signed in the lower border in blue ink; and an ink signature, "Indira Gandhi...

Fourth president of India (1894–1980) who was the only person to be elected as an independent candidate. Following his full term, Giri was honoured by

Partly-printed DS, one page, 10.75 x 4.5, 1851. A "Memorandum of Gold Bullion deposited at the Mint of the United States at Philadelphia" ...