Stemware ID

I know it's a long shot ... but I thought I'd at least give it a shot here ...

These cut glass (crystal) goblets measure 6 1/8" high with a 10oz capacity.
No maker marks hidden on them
Probably not very old from lack of wear on base

One would think these notches cut into the bowl would make them easy to search ... but when I try, I keep getting patterns with notches on the stems - which, by the way, is six-sided ... but not notched.

Anyone recognize?

 

I think I've found it ... Unknown maker #13528
The water goblet is the correct height ... but the stem looks shorter ... could be camera angle?

http://www.replacements.com/webquote/UNKUNK13528.htm

 

Interesting there are so many pieces as well as decanters.
Must be a well known maker.

In EAPG the notches are called zippered prism. Don't know if it will help with ABP