First made in 1952
The bottle is a reproduction of an 18th century bottle design
Grand Cru Chardonnay mostly from Avize, Le Mesnil-sur-Oger and Oger, and some Chouilly and Cramant; only first run juice.
Since the late ’80s, about 5% is aged in oak barrels for a few months
Undergoes malolactic fermentation
Dosage is usually 9g/l
Aged in Reims for a minimum of eight years
Production is less than 25,000 cases each vintage