This is a marked sterling circular vintage brooch. There is an unknown maker's mark. The edge is tapered downward. Within this brooch is a single leaf with a curled stem. There are two spiraling tendrils extending from the leaf. The closure is a safety locking clasp soldered to the frame with a straight pin stem. Size is 1 3/8 inches in diameter with a height of 1/4 inch for a dimensional effect. Weight is 5.8 grams. This brooch does have light patina.