20 K. On 1 Pfg Hindenburg, overprint dark rose red, with rotary printing upper margin, in perfect condition mint never hinged, rare stamp, issued only 1.150 piece, expertized Dr. Dub and Gachot as well photo expertize Zirath BPP: \"the mint never hinged stamp [. ] has an authentic overprint and full original gum. The condition is perfect. \", Michel 550.- plus