This is my first post since I need your help by identifying these marks of an old silver cup. I even didn't understand the country provenance (Russia? Austria?).
I almost passed all the pages of this website, but did't find any reference.
Who can help me?
Thanks in advance!
![Image](https://www.925-1000.com/pics/Ximg.jpg)
![Image](https://www.925-1000.com/pics/Ximg.jpg)