5 on 8 Pfg five year plan, shining overprint, watermark German Demokratic Republik (East Germany) and posthorn vertical standing in type I (YI), in perfect condition mint never hinged, not signed, on the back Color copy = manufactured, certificate with photograph Schönherr BPP (2014) : "genuine, perfect", Michel -.- - only in few pieces known rarity the German Demokratic Republik (East Germany) philately!