50 H. "Legionary Doss Alto" with attached decorative label and sheet margin at right, each handstamped "Karlsbad 1. X. 1938 + swastika", cancelled KARLSBAD 1 4.X.38 4d on piece, perfect condition, printing only 150, very few with label, expertised Osper BPP and Brunel VP photo certificate (2020): "Condition faultless...rare with attached inscription.", Mi. 550.-