The Rostrato series was introduced at the XXI Biennale in Venice in 1938.
cf. exhibition catalogue, A. Dorigato, Ercole Barovier 1889-1974 Vetraio Muranese, Venice, Museo Correr, 1989, p, 66, n. 50 for a similar example.
Barovier et al., Il Vetro Di Murano Alle Biennali 1895-1972, Venice, 1995, p. 41.
cf. M. Barovier, Venetian Art Glass An American Collection 1840-1970, Stuttgart, 2004, pp. 120-123 for variants of this model.