Very nice example of an opening coffin Ring. Silver with black inlay. With a hinge and catch it opens to reveals a skeleton in side. A good size too - just over an inch in length and just over a third of an ounce of silver.
Approx 28mm end to end
13.7gms .925 solid sterling silver (over a third of an ounce)
Complete the notes section when ordering stating your ring size. If you don't know your ring size, just get your finger measured at a high street jewellers or buy a plastic ring sizer online.