I finally found it!
I found this title available from http://www.ebay.com/itm/U-pokladny-stal-DVD-1939-Czech-comedy-starring-Vlasta-Burian-/130960466088?hash=item1e7dda20a8
this dvd is also available from czechmovie.com
http://czechmovie.com/d/u-pokladny-stal-he-stood-at-the-till-dvd-1000073/