Duke Grand Cru Founder’s Reserve Extra Añejo Tequila is an ultra-premium, 100% blue agave spirit created by Duke Spirits as a tribute to John Wayne’s deep admiration for Mexican culture and his personal pursuit of the perfect tequila. Distilled in the highlands of Los Altos in Jalisco, Mexico, this spirit uniquely bridges the worlds of Mexican tequila artistry and premium Napa Valley winemaking.