1873, 25c brown orange, in combination with U.S 1879, Bank Note issue 10c brown, tied by St. Thomas c.d.s. to folded letter from the firm of Hellmund & Co, Curacao, to Bangor, Maine, endorsed “per Steamer Valencia via NYork”, with New York PAID ALL and New York c.d.s. backstamps (23 Mar), vertical fold. A rare mixed franking. the 10c paying for transit via the United States & Brazil Mail Steamship Co. Certificate Philatelic Foundation (2025)
