FRANCIACORTA EXTRA BRUT DOCG (Vintage): 80% Chardonnay + 20% Pinot Nero from calcareous-clayey soil at 820 feet above sea level; the base wines from the distinct vineyards are assembled into a cuvée the spring subsequent to harvest and after scrupulous tastings, the blend is bottled and sojourns on the lees for 72 months.