1851. The Brut Reserve is a distinguished champagne due to its: Complexity: Elegant notes of sun ripened fruits, hazelnuts and brioche. Precision: A meticulous selection of up to 60 cru wines. Generosity: 40% reserve wines with an average of 10 years. Depth: Matured for over 3 years in our 2,000 year old chalk cellars. Laid in chalk cellars in 2011. Disgorged in 2018.