Auction 309-320 - Europe & Overseas Egypt, including the Constantin Kelemenis - Day 4

First Issue 1866: 5 pi. rose, wmk. upright, an unused horizontal pair (positions 134-135), variety "Imperforate" with large even margins all round and variety "Overprinted 10 Piastres in Error", the left hand stamp a substituted cliche with Type 1, the right hand stamp position 135 with the correct Matrix Type 7 (more information on the Hass certificate on our website); fresh vibrant colour, unused without gum. A fine and very rare pair in the foremost quality. Certs. RPSL (1923), Hass (2008) Nile Post D6kk = $ 1'400 / Gi = £ 1'500.