20 Mark Rhein Ruhr Help, variety "overprint 1000 M Rhein = Ruhr = Aid inverted", unused with strayer gum and affixed spots, very fine, to literature information arrived in Hamburg a sheet with 50 stamps this print deviation to the counter, the in this kind very scarce piece belongs thus to the large special feature of the inflation period, expertized Richter among others as well photo expertize Dieter Weinbuch BPP (2025) "fresh colours, very well perforated. In perfect quality. ", Michel 1.300.- - can we with this piece offer for the first time!