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

1874/75: Bulâq 1 pi. red, Setting D, wmk. upright, perf. 12½, an unused top foliate marginal block of four (positions 6-7 / 16-17) from the oily later printing, variety "Imperforate between Vertically" and showing two vertical  "tête-bêche" pairs, fresh and fine, large part og. Extremely rare and believed unique by this describer. Signed Todd AIEP Nile Post D26 var = unlisted / Gi = £ 800++.