This is a lovely carved silver trench ring from World War II. Soldiers made art from melting down coins and casings in the trenches. Inscribed "1945 Manila P.O."

Ring Size: 10

Unless otherwise indicated, rings should be resizable by your local jeweler for a very modest cost (usually $20 or less, unless you're dramatically enlarging a gold ring). You can find your ring size with this online tool or get a free ring sizer here.