The top bottlings are the C�ur de Craie (Heart of Chalk) line, including one from the Grand Cru of Verzenay. Perine holds just over a quarter of a hectare there of Pinot Noir, yielding painfully few bottles each year. The 2017 was finished Extra Brut with just 2.5 grams of dosage and was disgorged in March of 2022.