L lawsonland Senior Member Joined Oct 5, 2007 Messages 463 Location Lower Bucks County Sep 8, 2017 #1 Found this ring, anyone know what this marking is? Attachments ring.jpg 25.1 KB · Views: 169 mark.jpg 17.8 KB · Views: 166
Waveoff Elite Member Joined Jun 7, 2017 Messages 2,477 Location Pittsburgh, PA Sep 8, 2017 #2 Ostby & Barton 10k maybe? http://www.grayanddavis.com/blog/2014/11/18/jewelry-hallmarks-the-rings-of-ostby-barton
Ostby & Barton 10k maybe? http://www.grayanddavis.com/blog/2014/11/18/jewelry-hallmarks-the-rings-of-ostby-barton