1 / 2 Sgr. Red orange, paper unwatermarked, variety \"thin translucent paper\", having bright colours and on all sides having full margins extremely fine copy, clear tied by single circle postmark \"Potsdam 9 / 12\" (government Bez. Potsdam), photo expertize Brettl BPP: \"genuine and immaculate\" and photo expertize Flemming BPP (2013) : \"genuine and in perfect quality. \"