50 H. and 1 Kc. "100th anniversary of Mach's death", handstamped "We are free! + swastika", perfect used special "Reichenberg 1 Deutsche Reichspost 8.OKT.1938 Heil Hitler!" on pieces, printing only 50 sets, Robert Brunel VP photo certificate (2017) "Condition faultless.", Mi. 3.000.-