E. Cuarenta Anejo 100% blue agave. The anejo has a rich amber color and medium body. An elegant sipper with rich agave and wood characteristics.E. Cuarenta Tequilas, E-40 in Spanish, are produced and bottled by Casa Maestri at Destiladora Del Valle de Tequila in Tequila, Jalisco, Mexico. NOM 1438. We use open source agave from both the highlands and lowlands of Jalisco to create our unique favor profile. Our tequila is produced with old world techniques, like using stone ovens to cook the agaves and pot stills for double distillation. The entire line up delivers incredibly balanced spirit with lush agave flavor throughout.