A Rene Lalique 'Ondines' bowl, designed 1921, the opalescent bowl modelled with six mythical Ondines swimming underwater, etched 'R. Lalique France', 21 cm diameter, Literature, Felix Marcilhac, R. Lalique, Catalogue Raisonne, de L'oeuvre De Verre, Paris, 2004, p. 292 (illustrated, another example)