This lamp, a rare design by Napoleone Martinuzzi for Venini ,was created circa 1930. Formed of blue cased glass with blue paste glass finishing and gold leaf application, it is shown on page 114 of the exhibition catalog Napoleone Martinuzzi Venini 1925-1931 produced by Skira. The catalogue was created for the exhibit, Napoleone Martinuzzi Venini 1925-1931 held in 2013 at the Fundazione Giorgio Cini, Island of San Giorgio Maggiore, Venice Italy