Ercole Barovier, Grosse Costolature vase, designed 1942, manufactured by Barovier and Toso, Italy; clear glass with heavily lobed edge, lightly iridised surface, stylised clam shaped form. Height 35 cm. Literature: Barovier, Marino. Venetian art glass, 1840-1970, an American collection, Arnoldsche Art Publishers, 2004, p139, illus 81, Cf. For similar example Dorigato, Marsilo, Ercole Barovier 1889-1974, 1989, illus 68