5 Mark Reichspost (original stamp 66 II) with double overprint 25 piastre 25 in type I impeccable unused with clean hinge, very well perforated and centered, expertized Bothe BPP (double signature) and detailed photo expertize Bothe BPP: \"genuine and immaculate\". It war of the Empire printing office only one sheet à 20 pieces produced, of these 10 the overprint in type I (like here) and 10 in type II carry. Accordingly rare stamp! Michel 12.000.-