Tequila Jose Cuervo Silver Especial. Jose Cuervo Silver Especial is the genuine, 100% blue agave tequila, which matures in white oak barrels. Jose Cuervo is the best selling tequila in the world, the most popular and award winning tequila. She has participated in world competitions around the world, winning medals for her quality. Jose Cuervo House was founded in 1795 and is the oldest and largest producer of tequila in the world. Excellent tequila, with a soft, sweet taste, which combines aromas of flowers, agave and vanilla. Ideal for cocktails but wonderful and plain with ice.