Challenging Silver Ring Mark

[Clearwatermike]

Hello there! I'm trying to help a fellow metal detectorist identify the makers mark in a silver ring that was found. I've been going through a lot of research material, but have had no luck so far. Any information would be greatly appreciated!

[Clearwatermike]

I would appreciate any assistance in identifying the makers mark in this silver ring. It was found by a fellow metal detectorist. Thank you!