Colonel in the Continental Army during the American Revolutionary War (1749–1812) best known for leading the resistance at Fort Stanwix in 1777. Revolutionary War-dated ink signature, “P. Gansevoort, Col. 25th May 1777,” on an off-white 4.25 x 1 slip. Slip is affixed to a 4.25 x 6 cabinet portrait of Gansevoort by Horton Studios of Albany, New York, with notations on the reverse in a collector’s hand. In fine condition. RR Auction COA.