Details
cover 10c vermilion, 12½c black (12,13a), two singles of the former, tied by oval grids to Oct. 1864 cover from Halifax, endorsed "per Cunard Steamer via Liverpool", via London and Calais to Paris; cover without flap, otherwise very fine; rare, ½c underpayment of the 33c double rate to France, Butterfield correspondence, ex Mackie, "Halifax"