An antique Art Nouveau manner glass wineglass by Nancy Vessiere. The glass with a long leg is acid etched and hand enameled with a water plant design. Signed, Vessiere Nancy, on the side. Circa: 1900s. Daum is a crystal studio based in Nancy, France, founded in 1878 by Jean Daum, 1825 to 1885. His sons, Auguste Daum and Antonin Daum, oversaw its growth during the burgeoning Art Nouveau period. Daum is one of the only crystal manufacturers toe employ the pate de verre glass paste process for art glass and crystal sculptures, a technique in which crushed glass is packed into a refractory mould and then fused in a kiln. The Vessiere collection also includes cups, tumblers, candy boxes, liqueur services, etc. Antique and Vintage Art Nouveau European Glass Vases, Table Wares, Home Decor, interior Design, and Collectibles.