American businessman and philanthropist (1843–1899) who succeeded his father and grandfather as head of the New York Central Railroad. His mansion in Newport, Rhode Island, ‘The Breakers,’ is among the largest and most lavish private residences ever constructed. Vintage fountain pen signature, “C. Vanderbilt,” on an off-white 3.75 x 2.25 card. In fine condition, with some scattered light toning and soiling. RRAuction COA.