Rock Shaped Amber Ring

Unusual, rock shaped Silver & Amber Ring. No brand purchased at a jewel fair in England. The double band has a little give so it tends to take the shape of your finger (see 2nd last pic). Band has tiny silver markings (3rd last pic). Measures 1.5" H, 1" W , Weighs 9.6g. Ring size 6 . Cleaned , ready to wear!