This is a sterling silver size 10 Mens Ring the center stone is Tigers Eye.

Tigers Eye lets you see everything. Use it for insight and you can be a very lucky person. When used in jewelry the tiger eye may bring good luck and protection from the evil eye to the wearer. It also is known to bring clear thinking. Tiger's-eye or Cat's-Eye is a stone for the mind, not the body. Tiger Eye is used to focus the mind. It will cause the mind to have a feeling of oneness and feel more direct in all thoughts. It makes one aware of one's own needs related to the needs of others. A personal symbol carved in Tiger eye is excellent for the spiritually advanced to use in meditation.