Champagne Coustheur-Bonnard Blanc de Blancs Brut is a sparkling wine from the Champagne appellation produced by Coustheur-Bonnard. It is a blanc de blancs made from Chardonnay grown around Nogent-l'Abbesse in the Montagne de Reims. It has a fresh, finely effervescent style with citrus and mineral notes; it is presented as a Brut.