50 Heller stamp exhibition Kaschau, vertical gutter pair with dark-rosa hand stamp overprint "Karlovy Vary 1. X. 1938 plus swastika", used Karlovy Vary 1 4. X. 38 4 d on piece, very fine, issued only 118 gutter pairs, expertized Dr. Hoerr and photo expertize Brunel VP (2020) : "the condition is perfect. ", Michel 300.-