KATTOWITZ, 1 Mark red-carmine Numeral issue 1920 as single franking on registered letter to Magdeburg, forwarded to Schlettau / Saxony, double-circle KATTOWITZ 7 5 20 * (OBERSCHL) o (OS handbook No. 141.36), very neat strike, Magdeburg arrival (8.5.1920) on reverse, rare franking, good condition