Souvenir sheet "stamp exhibition PRAGA" with hand stamp overprint "we are free! Swastika", used "Liberec 1 / German empire post / -8. X. 1938", only issued 300 souvenir sheets, certificate with photograph Brunel VP (2014) : "the apart from that perfect got souvenir sheet point at in the margin above and below a brownish strips on. ", Michel 2. 000.-