50 Heller delivery stamp in vivid magenta with a vertical overprint "Karlsbad 1. X. 1938 + Swastika" along the right side, perfectly struck KARLSBAD 1 4. X. 38 4 d on a postal fragment, edition of only 232 copies, photographic finding by Robert Brunel VP (2018) "The condition is flawless. Only three examples with the vertical overprint have been available so far.", Michel 2. 500.-