5 Groschen large shield, ochre-brown, special feature \"vertical about 3 mm with defective or badly placed perforation - therefore right the left numeral of value of the neighbor stamp visible\", cancelled by framed cancel of 3 lines \"Chemnitz sub-post office No. 23 / 12 7. \", apart from a small corner crease in perfect condition, such strength perforation varieties are rare, as these were usually discarded by the Reichsdruckerei, detailed photo expertize Krug BPP