www.925-1000.com

I may be wrong with Sheffield as the omega does not have a line under it. However is this stamp consistent with an import? Thank you for any help.

Hi welcome to the forum.
Your item does not appear to carry British import marks or may be you haven’t showed us.

Please check:
http://www.925-1000.com/importmarks.html" onclick="window.open(this.href);return false;

Oel

Thank you. I understand I can now rule out Brittain. Please feel free to delete this post if needed.