This is a Pre-1870's Coin Silver Napkin Ring and does not have a mark, but we guarantee it to be no less than 90% silver content. It is 1 & 3/4" in diameter and stands 1 & 5/16" tall. It has an "R.J.G." monogram on it and is a very nice example of a Coin Silver Napkin Ring.
Antique Sterling Silver, Jewelry, Napkin Rings, Victorian Objects