50 Heller delivery stamp vivid magenta with vertical dark bluish violet hand stamp overprint "Karlovy Vary 1. X. 1938 plus swastika", with cancellation adjusted date stamp Karlovy Vary 1 4. X. 38 on faultless letter piece, edition in total 232 examples, of it the fewest with vertical overprint, signed Huebner, photo expertize Brunel VP (2025) "the condition is perfect. with overprint in the malposition is the stamp very rare. ", Michel 2.500.-