Los-Nr. 1951

New York, Messenkope's Union Square Post Office, 1849, (2c) black on pink, margins clear of outer oval on three sides, used on cover to Amos Street, with partial enclosure dated July 5, 1850, from the Manhattan Gas & Light Company. The cover with tears and the adhesive faulty. An extremely rare franking, with George B. Sloane guarantee signature on reverse, sent during the early period following the takeover of the company by Joseph E. Dunham from Charles Messenkope. Philatelic Foundation certificate (2023) (Scott 106L2, unpriced)