Vintage Art Deco Ostby & Barton Sterling Silver Banded Agate Ring, Sz 6

Vintage Art Deco style sterling silver ring by Ostby & Barton featuring a rectangular cabochon agate with variegated brown and off-white bands within a geometric bezel. Hallmarked "OB Sterling" to inner band. Circa 1935-1950. Size 6. Total weight of 2.89 grams. This is an estate item in excellent condition. Contact us with any questions! *Please Note: Jewelry bearing a metal karat or content mark is not tested further to verify the metal content. Any stated carat weight for gemstones is an approximation based on the measured size within the setting and the known specific gravity of the observed stone.