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

Bulaq Issue 1874/75: Bulaq 2 pi. yellow, wmk. inverted, perf. 13½ x 12½, an unused block of ten (5 x 2), of fine colour (positions 6-10 / 16-20), showing position 8 with inverted stereo - horizontally and vertically "tête-bêche", one iron spot not affecting the pair, large part or unmounted og. Rare. Cert. Egypt Study Circle (1982) Nile Post D27h = $ 600+ / Gi = £ 450+.