O 1" in square of bars, showing "GULISTAN KAREZ" (13.3) and Quetta (20.3) datestamps alongside, and framed "POSTAGE DUE/1 ANNA" h.s. Very rare, being one of only three known covers believed to have travelled initially through the Afghan postal system. Photo" /> cover 1885 envelope (roughly opened at left) from Kandahar to Quetta, Baluchistan bearing, on reverse, Afghanistan 1880-90 white paper 1 Abasi tied by "F N<V>O 1" in square of bars, showing "GULISTAN KAREZ" (13.3) and Quetta (20.3) datestamps alongside, and framed "POSTAGE DUE/1 ANNA" h.s. Very rare, being one of only three known covers believed to have travelled initially through the Afghan postal system. Photo | Christie's