12 Pfg first issue of stamps for Germany after WW II. Dark red violet, english printing, perforation F and on paper z, horizontal pair with left upper corner of the sheet and sheet counting number \"16206\", impeccable mint never hinged, unsigned extremely fine copy, in this variety very rare, photo expertize Dr. Koch VP (2020) \"mint never hinged original gum. The item submitted for inspection is genuine and immaculate. \", Michel 1.200.- (former starting price 150)