This is a Sterling Silver Napkin Ring and is hand engraved with " J. P. " Monogram. It measures 1 & 5/8" in diameter and 9/16" wide. Other than being ever so slightly out of round, it is great condition. It is marked Sterling and has the Trademark for The H. H. Tammen Curio Co. I t was in Business from 1891 - 1962 in Denver, Co. The mark is shaped like an American Indian Kachina Doll.