4 Pfg numerals, complete sheet to 100 values, of it 28 pieces with variety "full centerpiece" - originated through diagonal color smearing during of the printing process, in perfect condition mint never hinged, photo expertize Dr. Jasch BPP (2017) : "genuine and immaculate", Michel 3.360.- (free of premium for the scarce large unit of this variety), provenance. Collection post senior administrative officer Friedrich Schneider