The House of Piper Heidsieck claims that this Champagne "offers the certainty of unlimited growth potential". It is produced only in certain vintages, those considered to be the best from a qualitative point of view and, without a doubt, the 2008 vintage is one of these. Rare 2008 is a blend of Chardonnay and Pinot Noir, whose grapes come from the Crus of Reims and the Côte des...