Here is a good source of information and lists of dates/assayers for all the Mexican coins. Prices are out of date and several errors in the book but a nice reference. Standard Catalog of Mexican Coins/ Colin Bruce/ 1981
http://www.amazon.com/gp/offer-list...ndition=used
For the cap and ray coins, the best reference is "Resplandores" by Dunigan.
http://www.amazon.com/gp/offer-list...ndition=used
For the cap and ray coins, the best reference is "Resplandores" by Dunigan.



















