This sparkling rosé wine is the result of the valuable selection  carried out at the beginning of the 20th century by professor  Luigi Manzoni, principal of the Oenological School in  Conegliano. Several hybridization tests led to the creation of  several crossings, among which Incrocio Manzoni 13.0.25. This code refers to a specific system used by the professor in  his registers. Incrocio Manzoni is a crossinig between Raboso  Piave and Muscat of Hamburg.