50 K stamp, cut, sheet block 17, in Type I, as issued mint never hinged, edition only 1 sheet = 25 values, of which only 15 copies in Type I, photo certificate Gerhard Krischke BPP and photo certificate Walter Zirath BPP (2022) "The condition is flawless. The stamp is not signed." Michel 11,000.- This is one of the greatest rarities of the German Occupation Issues during World War II!