Afraid not. The obverse matches KM#367 (1866 silver 50 centavos), and almost matches KM#368 (1866-67 silver peso - 3 varieties), and KM#369 (1866 gold 20 pesos), but the reverse is nowhere near comparable to the coins minted during the very brief reign of Maxmillian.
This coin fantasy of coin made in Mexico republic, they make these for souvenirs for tourists, ebay bidders, and people think they real.