Souvenir sheets issue "Masaryk 1938" with dark-rosa hand stamp overprint "Karlovy Vary 1. X. 1938" on cover with cancellation through adapted date stamp "Karlovy Vary 1 / 4. X. 38", issued only 60 piece - very rare, photo expertize Brunel VP (2016) : "the condition is perfect. ", Michel 10.000.- for particular souvenir sheet.