Vintage Brooch Sterling Marcassites Onyx Bird

Vintage large brooch with a black onyx body and sparkling marcasites pave. Really intricate, detailed, and elegant design. In very good vintage condition with deep patina and wear commensurate with age. Marking PCH 925 Measures: 50 x72 mm Weight: 15.5 Ple refer to the pictures as they aree part of the description