c.1900 Ostby & Barton Paste Stone Ring 10k Solid Gold Tiffany Setting sz3

*size 3 *0.86g *10k solid gold, marked and tested *paste stone measures. 3.33x2.11mm *stamped “OB” for Ostby Barton, a historic jewelry manufacturer. Also features Ostby and Barton’s dot in diamond stamp. This ring can be resized by your local jeweler.