The Sentinel Opal Ring In Sterling Silver by Julian the 2ndSolid (. 925) Sterling Silver ring handmade by Julian the 2nd SIZE 10. 5 The Sentinel ring is a part of the IMPERIA collection. This ring features an intricately detailed gargoyle on either side of a vibrant opal. Crafted in sterling silver, with a distinctive bronze ring held in its mouth like an ancient door knocker. Each ring is hand finished individually with oxidation and hand polished to give it a rustic and worn finish. As this piece is worn it