30 Groschen gray ultramarine, large size L16, against the regulation with Prussia framed cancel of 3 lines "REICHENBACH I / SCHL. / city post EXPED / . . . . 73 * 6-7N. " cancelled, faultless condition, signed Rohr, Richter, Sommer BPP and new photo expertize Krug BPP (2016) : "the stamp is well perforated and in perfect condition. " - superb item this as is very rarely stamp!