Pectoral ornament in the form of a double-headed serpent. One of the symbols of Tlaloc; it was worn by a high priest. Probably formed part of the treasure sent to Cortes by Montezuma who believed Cortes to be the returning god Quetzalcoatl. Country of Origin: Mexico. Culture: Aztec / Mixtec. Date / Period: c. 1400-1521. Material Size: turquoise; wood; shell. 20.5 x 44cms.