Can anyone help me figure out what this is?

Welcome to the place where Hallmark nerds gather to help each other discuss Hallmarks further! If you need help Identifying a hallmark, you've come to the right place.

Can someone help?

We have experienced people to help identify your jewelry. Clear photos on white paper bring best results. Please post photo with hallmarks . Submit one item at a time. Please be mindful these are guesses and important items may not be able to be identified by photo only. Make friends with your local jeweler and Gemologist. If you have expert knowledge please make use of identification flair.