"19/6/85" in manuscript indicating that the duplex d.s. may be in error, also showing Sea Post Office and arrival (6/7) c.d.s. Rare. Photo" /> cover 1885 (9 or 19 June) 1a. stationery envelope to Karachi (roughly opened at right) cancelled "FIELD.P.O./JUN. 9/B" duplex and bearing, on reverse, 2a. tied by "B" in circle of bars and<I> "19/6/85"</I> in manuscript indicating that the duplex d.s. may be in error, also showing Sea Post Office and arrival (6/7) c.d.s. Rare. Photo | Christie's