Uber Stylish c.1920s-30s silver serpent ring!!! 3 snakes, 3 heads, 3 marcasites. Stamped with the Uncas "U with an arrow" mark. This is not marked sterling, so I am assuming that it is silver over copper or brass. Really neat Deco piece! The ring measures 5/8" across the top. Excellent antique condition with age appropriate wear to the metal and patina.