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

1883/84: Postage Due Proofs by Penasson, the set of five values (10 pa., 20 pa., 1 pi., 2 pi. and 5 pi) all in perforated 11½ blocks of four on gummed white paper and thus showing all four Types as utilised, printed in orange - the colour of the 1888 2 piastres - together withrna further set in green - as utilised for the 1888 2 m. value and blocks of four of the 10 pa., 20 pa. 1 pi. and 2 pi. in the same format, all printed in the issued colour of the 1888 5 pi. grey. Fresh and very fine, large part og. An extremely rare, possibly unique, assembly (14 items).