Dumont is one of the very few Champagne producers who produces a champagne using the solera method. Bernard Dumont has dedicated one stainless steel tank to the project which was first filled in 1991. He works exclusively with Chardonnay for this cuve and has been adding to the tank every year, making it at present, a blend of approximately 20 vintages. This solera system produced its first release in 2010.

One of the most striking features of this champagne is the different effect created by producing a champagne from aged wine (the aging occurs after the first fermentation) followed by the typical duration of two years sur lattes as contrasted with a champagne produced from relatively young wines which are aged for a long time after the secondary fermentation and thus remain in contact with the lees sur lattes for an extended period. The dosage is 6 grams. Production is about 400 cases annually.