Auction 250 - 256 Day 3

Postage due 1886: Unwatermarked set of four values issued with four types of each value mint and used incl. 10 paras unused in a block of four and an imperfoarate strip of three, 20 paras unused, all four types incl. type IV unused with Haas certificate and one used in Sawakin Sudan, 1 piastre unused block of twelve and seven singles mint or used, 2 piastres unused block of four and all four types used. Also several reference singles, all mounted on exhibition pages.