Franco Deboni, Venini Glass: Its History, Artists and Techniques, Catalogue 1921-2007, vol. 1, Turin, 2007, The Blue Catalogue (appendix), pl. 6 for a similar example
Marino Barovier and Carla Sonego, eds., Vittorio Zecchin: Transparent Glass for Cappellin and Venini, Milan, 2017, p. 101 for a similar example