German mathematician and physical scientist (1777–1855) who contributed significantly to many fields, including geometry and astronomy. Scarce ADS in German, signed “C. F. Gauss,” one page, 7 x 9.25, April 27, 1814. Document reads, in part (translated): “Herewith I certify receipt of the sum of 10 Pistoles [Gold Coins] as paid out by Chief Forester von Oldershausen under the terms of a bond dated April 8, 1804 on mortgaged von Oldershausen properties with a capital of 1000 rh in gold at an annual interest rate of 5% from May 29, 1813 to May 29, 1814.” In fine condition, with central horizontal and vertical folds, with the horizontal fold touching the tops of a few letters of signature. Accompanied by an ADS from his wife, Minna Gauss, dated October 9, 1813, certifying the receipt of 5 Thalers in Pistoles as interest for 2,000 Thalers granted to her from the von Oldershausen Family Treasury by the Wife of General von Oldershausen. RR Auction COA.