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 4.7.22", photo expertize Dr. Helmut P. Oechsner BPP and photo expertize Weinbuch BPP (2023) : " fresh colours, very well perforated and is in perfect quality. ", Michel 2.600.- - rare stamp!