20 Kopecks coat of arms design, cut, variety "missing printing ink violet ultramarine" in a horizontal pair with normal stamp with plate flaw II "blue bar in the value specification field", 5. Printing period, left upper corner of the sheet, mint never hinged, faultless condition, very rare piece, so far only 4 such pairs known, of a from the 2. Printing period. The others so like this comes from the 5. Printing period, the so-called 2nd issue, photo expertize Gerhard Krischke BPP "the condition is perfect, because the small irregularities manufactured are. " Michel 8.500.- regardless of of the rare unit - an unique piece for the large collection!