Martell Xo Cognac – Martell Cordon Bleu Cognac.Martell xo Cognac.Martell XO is right away identifiable for its extreme flavor and daring, contemporary style. A prestigious mixture of Grande Champagne and Borderies eaux-de-vie, this cognac incorporates a bold and charismatic temperament, that's mirrored while in the striking arch of its bottle. Ma