VTG Art Deco Sterling Silver & Marcasite Swirl Ring sz. 5.5

vintage art deco marcasite ring with swirl pattern. would make a cute cocktail ring! has shiny black stones with a slight gold tone. made with sterling silver! stamped "RW" and "925" about a size 5 1/2 open to offers ᐧ bundle & save ᐧ comment any q’s 💞