80th ann. of the Bank of Mexico
470th ann. of Mexico's Mint
Centenary of the 1905 Monetary Reform

The 1st one has the design of a 1925 $100 banknote, 2nd an old screw press like the old onzas and the 3rd the "cap & rays" of the 1 peso silver coin.
There is also the silver version, 2, 1 & 1/2 oz. of silver in proof condition: