a extremely rare and very important Saltillo Serape of very fine knotting with subtle tones, which can only be achieved by using naturel dyes. The center field is flanked by a early (first quarter 19th Century) Mexican Coat-of-Arm Shield In 1821, Don Augustin de Iturbide decreed that the National Flag should contain vertical stripes in colors (green ,white and red)proudly worn as a necklace by the eagle with a snake in its peak perching on a nopal.