cover 1857 (20 Sept.) entire from Bassein to Rangoon bearing 1854 ½a. Die I pair (touched at top), the left-hand stamp with group 6 retouch, each lightly cancelled "B/12", showing Rangoon c.d.s. on face and Bassein despatch c.d.s. on reverse; the pair with insignificant crease. A rare franking. Photo