Vintage Malachite Sterling Silver Long Ring - Native American

Artisan-signed vintage sterling silver long ring with two malachite stones set in classic southwest-style twisted rope design. Stones are not highly-polished/glossy coated like many Malachite pieces. Substantial on the finger at over an inch long in length. Very vintage ring with patina and the setting/band is slightly out of round, signed COE B by electric pencil engraver commonly used by Native American artists.