I have a vintage silver tribal style band ring with triangles and circles on it. It is about a size 8. A magnet doesn’t stick to it but I don’t see any maker’s marks or metal content markings so I took it to the refining company. They said it is sterling on the outside but they can’t check to see if it’s solid without grinding it. The inside of the ring with has a lot of tarnish or used to have black over the silver. It is 4.6 grams. See my other ads for jewelry, artwork, home decor and more.