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. "