Old Vine Champagne: Sebastien Girost Dure Peine

You've definitely heard of two of the major grapes of Champagne, Chardonnay and Pinot Noir, and you've probably heard of Pinot Meunier, the other one*. Most Champagne is a blend of the three, but there's a good chance you've had some pure Chardonnay or pure Pinot Noir from Champagne. Pure Pinot Meunier? It's a thing, more and more common lately, but far from the norm, and I bet most of you have not tried one yet. The first pure Pinot Meunier Champagne I tried was Egly-Ouriet'