cover 1815 (5 Dec.) entire letter ex the "McCalmont" correspondence to Belfast, rated "2/4" (deleted), "2/7" (deleted) and "2/11" and showing, on reverse, fine small "BERBICE/7 Dec. 1815" d.s. (an unlisted Proud type) across join and just overstruck by red arrival c.d.s. Rare. Photo