Seventeenth century silver Memento Mori ring. The cloisonne enamel decorated bezel is with a skull.The ring part of the ring is restored, but the bezel is fine. I have no idea of its origin or nationality but it could be early seventeeth century Italian.
Measurement of bezel:14 mm in diameter
Ring size : “M” +1/2 = US “6+1/2 “