Vintage 925 sterling silver designer Uncas ring, Art Nouveau / Art Deco

Vintage handmade sterling silver ring, Bohemian filigree design. By a reputable designer company Uncas. Stamped Sterling and has a makers mark. Unique and collectible. In excellent almost never used condition. Looks like from either Art Nouveau, or Art Deco era. With securely prong set stones, possibly CZ, or crystals. Size 6.75-7. Gold plated, with almost no wear on the back and sides of the band. The front is still like new, intact.