Heinrich Köhler 385 Auction – Day 1

1863, Tughra Postage Due, 20pa black on brick red, head to head tete-beche block of four, without control bands, unused, without gum, large to very large margins on all sides, including left sheet margin, two hinge remnants on reverse, a striking and scarce block, very fine, ex “Sultan”. (Ifs 11 TB02)