10 Mark on 75 Pfg Germania, overprint forgery to the detriment of the postal service - these forgeries was carried out by a postal official and put into circulation, neat cancelled "Frankfurt (Main) 3 b 25.8.22", photo expertize Weinbuch BPP (2017) : " fresh colours, very well perforated and is in perfect quality. ", Michel 2.600.- - very rare stamp!