This is tricky. Yes it is satinated, not scavo. And you' re probably right about the maker. But
Mario ticco is a well known glass designer who worked for all the big Murano companies, but is no maestro, which is a master glass blower. And Mario Fiocco is a most feasible name, which does not google well.
So I think you should make some good photographs, against a white background, and send them to Cenedese. I'm sure they will be delighted to tell you who and when. Oh and while you're at it, make a good shot of the signature. We can not do much for you without this essential information.