Mexico 5 Pesos ,3 Pcs Silver Coin Set, 2007 (2012) Chichen Itza Maya Stone HouseThis series of five silver coins broadens and continues the dissemination of the Mayan civilizations cultural wealth, in particular its architecture, which has been declared World Cultural Heritage by UNESCO, while in 2007, the site of "Chichn Itz" was declared one of the Seven Wonders of the World, raising the interest of coin collectors and the public in general in them. Chichn Itz was declared one of the Seven Wonders of the World on July 7th, 2007