Heavy Art Nouveau Silver Plate Chalice w Nude

Underside reads Quadruple Plate, and Reads Middletown Plate, with hallmark Scales, and 92 engraved, Art Deco art nouveau style with female nude seated on shell, and cup engraved with sinuous vines, leaves and birds, etched and repousse, chalice, goblet, cup, vessel, decorative object, decorative arts, measures ht app 7.25 inches, diameter cup app 3.5 inches, antique, collectible, some wear and discoloration.