6 ++ 44 Pfg reconstruction dark gray green on gray paper with smooth gum, variety "at the bottom unperforated" respectively "horizontal unperforated", strip of three, in perfect condition mint never hinged, photo expertize Dr. Jasch BPP (2017) : "genuine and immaculate. A gum mat strip is manufactured and places no lack dar. These variety lies me for the first time before. ", Michel not listed (counts for at the bottom unperforated) - ex collection post senior administrative officer Friedrich Schneider