cover 1816 (25 June) entire letter ex the "McCalmont" correspondence to Belfast, marked "Pr Packet", rated "2/6" (deleted), "2/9" (deleted) and "3/3" and showing, on reverse, fine small "BERBICE/June 26 1816" (an unlisted Proud type, Townsend and Howe page 196, item 3). Very rare. Photo