In addition to the mosaic ceiling in the Avant Foyer, Salviati also made five mosaic roundels of smiling or frowning grotesque masks for the ceiling of the opera's facade loggia.
Barr, Sheldon. Venetian Glass Mosaics: 1860-1917. London: Antique Collectors' Club, 2008. 29.
Steven Zucker's flickr Photostream
Travel to Eat
crystalseas' flickr Photostream