Hi friends,
the first look gives the Czech impression, but...
Well, recent Beranek 1993 - 2008 it is not.
The Skrdlovice from 1960 - 1992 it is not.
Colour does not correspond (mainly bright green) to Skrdlovice period 1940 - 1959, but shape looks like Emanuel or Jan Beranek design.
So I would eliminate Skrdlovice from list of candidates.
Next "free hand fabrication" possibility is Chribska in Czechoslovakia (later in Czech rep. Egermann s.r.o. and Rubin), but shapes developed by Hospodka and followers are very different from given pictures. Next is ZBS - shape and colours - I say no. Persists MstiĊĦov 50ties and beginning of 60ties as possible fabricator.
Also i spossible, that pieces are not Czech at all.
Jindrich