1, 50 Karbowanez medium ochre-brown on vertical roveed thick paper, type I, variety "double overprint", as issued unused without gum, in of the stamps middle minimally thin, issue typical perforation, great rarity of the area, signed Bulat et alia, photo expertize Gerhard Krischke BPP ". are of it so far only 7 examples are known. ", Michel 4.500.-