Sierra Antiguo Tequila Palta is a white translucent with sweet taste tequila that has been able to conquer many palates. Made from 100% agave-based Jalisco Mexican blue, this tequila is an excellent drink for any occasion. Enjoy it at the best price with TCM Gourmet. View In view Sierra Old Silver comes with a translucent color. Nose Its scent is composed of hints of agave and certain citrus essences of lemon, lime and grapefruit.