925 Sterling Silver Ring Jasper Stone Square Size 8.5

925 Sterling Silver Ring Jasper Stone Square Size 8.5 Very nice vintage Jasper Stone ring. The stone is encased on a square open-back sterling silver ring in a size 8.5. Shows a lot of patina, which can be cleaned up at owner's discretion. Signed 925 and tested positive on acid test. it measures about .74 x .74 in. It is in good pre-loved vintage condition showing expected signs of age and wear.