50 Heller stamp exhibition Pilsen and 50 Heller stamp exhibition Kaschau each with dark-rosa hand stamp overprint "Karlovy Vary 1. X. 1938 plus swastika", neat cancelled Karlovy Vary 1 4. X. 38 4 d, edition 615 respectively 452 examples, photo expertize Robert Brunel VP (2021) "the condition is perfect. ", Michel 150.-