Antique Art Nouveau Brass Thistle Brooch with Citrine Colored Cabochon

Stunning hammered brass brooch pin with thistle or floral design and amber citrine colored glass cabochon accent C clasp closure - this is a very old brooch or sash pin There is obviously some wear and signs of age but overall it's in beautiful vintage condition - please see photos and close ups Unsigned/ no marks Weight 13g