A Rene Lalique 'Dauphins' bowl, designed 1932, the opalescent bowl modelled with dolphins against spiraling water ripples, etched 'R Lalique', 23.5 cm diameter, Literature, Felix Marcilhac, R. Lalique, Catalogue Raisonne, de L'oeuvre De Verre, Paris, 2004, p. 307 (illustrated, another example)