1979 Mexico 1oz Silver Onza - Balance Scale

First minted in 1949, the Mexican Onza is one of the oldest modern bullion coins. This 1979 dated example is the more common of the balance scale issues. 

Coin Highlights

Contains 1oz silver weight.

Obverse: "Casa de Moneda de México" and the date with an image of a screw press.

Reverse: "Una Onza Troy de Plata Pura" with a set of balance scales at centre.

Sovereign coin backed by the Mexican government.