Art Nouveau decorative vase with hydrangea decoration by Emile Gallé, flask shape. Cased glass, milky light blue, colourless, violet and olive green. Etched and polished decoration of blossoming hydrangea branches against a matt background, executed in several stages. Signed "Gallé". H. 21 cm. Cf. Hilschenz-Mlynek/Ricke, cat. Hentrich Collection, no. 327-32 (decoration). A French Nouveau cameo glass vase with acid-etched hydrangea decor by Emile Gallé. Signed. France. Nancy. Emile Gallé. Circa 1904-1906.