5 Kc. Postage due stamp with dark-rosa overprint "Karlovy Vary 1. X. 1938 ++ swastika", cancelled first day postmark" X Karlovy Vary 1 X / - 1. X. 38" on letter piece, faultless condition, issued only 75 examples - with first day postmark especially rare, by Michel unknown, expertise Brunel VP (2020) : "the condition is perfect. "