"This is a vintage 10K yellow gold Ostby & Barton signed signet ring. The Ostby & Barton company was one of the largest jewelry makers at one time. Ostby was tragically a victim of the Titanic. The company manufactured from the late 1800s to the 1950's. There is no catalog to date the company hallmarks, so I can't give an exact date on this one. The ring has a beautiful \"C\" monogram. The shank is broken and will need fused back together. This also makes it easy to have resized. The…