RR Auction: Fine Autographs and Artifacts Featuring Royalty

Neat ink signature, "A. Einstein," on an off-white 8.5 x 5 sheet clipped from the bottom of a typed letter and then printed on with a desc...

Untranslated ALS in German, signed "R. Koch," one page, 4.5 x 7, no date. A brief handwritten letter from the eminent physician and microb...

ALS in French, one page both sides, 5.25 x 8.25, personal letterhead, July 18, 1934. Handwritten letter of recommendation, in part: "Dr. Djourd...

Partly-printed DS in Italian, one page, 11.75 x 15.75, September 15, 1932. As president of the National Research Council of Italy, Marconi nominates P

TLS signed "G. Marconi," one page, 8 x 10, Reale Accademie d'Italia letterhead, June 3, 1931. Letter to physicist Samuel Goudsmit at t...

Vintage matte-finish 3.5 x 5.5 postcard photo of Marconi in a head-and-shoulders pose, neatly signed in fountain pen, "G. Marconi." In fin...

ALS in French, signed "L. Pasteur," one page, 5.25 x 8, October 19, 1886. Handwritten letter by the important French chemist and microbiol...

ALS in French, signed "Poincare," one page, 4.5 x 7, no date. Untranslated handwritten letter by the celebrated mathematician. In fine con...

ALS in German, signed "Dr. C. G. Jung," penned on a 5.75 x 4 postal card that is postmarked at Küsnacht, Zurich in Switzerland, on Ju...

LS in Italian, signed "Monaldo Leopardi," one page, 8.5 x 12.75, September 22, 1846. Untranslated letter to a gentleman in Macerata. In fi...