Impressive Large Vintage Bullseye Sterling Silver Statement Ring

For your consideration is a gorgeous vintage bullseye agate banded sterling silver statement ring. 
This beautiful bullseye ring features a large natural bullseye agate cabochon in orange with white and brown banding surrounded and set in ornate sterling silver settings. 
This agate cabochon is spectacularly beautiful, so eye catching and simply elegant! It’s a very striking and distinctive statement piece. 
Measurement: 5/8” inches W x 7/8” inches H, the bullseye cabochon measures 12mm x 17mm.The ring currently is size 9. 
No hallmarks but tested as sterling silver. 
This lovely ring in excellent vintage condition and shows age and patina. 
It will make a great gift for bullseye lover.