Salute To The USA Constitution - Commemorative Proof. In honor of the bicentennial of the U.S. Constitution, the national mint of Mexico issued a series of medals in various sizes and compositions. This coin contains 1/4 oz of .900 fine gold.
It features three of the U.S. founding fathers, Washington, Franklin, and Jefferson seated and signing a copy of the Constitution. Listed in Krause as X#MB40.