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

Penasson Issue 1872 (Jan  1): 20 pa. deep blue, wmk. upright, perf. 12½ x 13½, two unused adjoining blocks of four, one with sheet margin at left (positions 121-122 / 131-132), and the adjoining block (positions 123-124 / 133-134) in a slightly deeper shade, both fresh and very fine, the marginal block without gum, the other with large part og. Rare Nile Post D16 = $ 1'300.