We are pleased to offer this beautiful, and quite substantial, vintage brooch. It is signed "STERLING" along with the maker's mark for Judith Jack.
This piece is just lovely and features a domed design with silver ridged sections (like a shell) with overlapping bands of black onyx and marcasites. It measures approximately 2"L x 1-5/8"W x 3/4"H and weighs 37.7 grams or 1.330 ounces.
This is a spectacular piece in very good to excellent condition!