I have some silver gilded and onyx vintage earrings with a silver mark of 935. However, I am unable to identify the maker's mark of 'PT' I believe to be in a crest?
If anyone could help point me in the right direction that would be very helpful, thank you.
![Image](https://i.ibb.co/x69mbj5/IMG-4454.jpg)
![Image](https://i.ibb.co/VCx8hG3/IMG-4461.jpg)
![Image](https://i.ibb.co/kGzp9fs/IMG-4468.jpg)