With the other bowl you did fine as far as I could tell. You posted on GMB what I and some others thought was a very nice 1950's Skrdlovice bowl. I think you have done the same again although this looks very much like an ashtray by the same company.
It may be possible for some members given some time, to find the pattern numbers from documents and if Jindrich recognises it, I am sure he will comment! Another nice piece of 50's glassmaking from the Bohemian region, modern Czech Republic (at least I think so), a lovely item!
Robert