Vintage Sterling silver

This is a beautiful piece made by the late Helen Long a native American Indian , the stone is a beautiful malachite securely inlayed setting on a semi split shank band , she's a 6.5 she can be sized ( this is a high quality made ring & sought out by collectors as Helen Long was very popular with her handmade pieces like this one ) her hallmarks are showed in the pictures , not marked sterling or 925 but acid test results are at least of 925 this ring is from the 30s to 40s & in great condition