`Estados Unidos Mexicanos` in a semicircle over the Mexican coat of arms: a Mexican golden eagle standing on a prickly pear cactus devouring a rattlesnake. At the base of the cactus, there is a holm oak (Encino) branch on one side and a laurel branch on the other.
Obverse script
Latin
Obverse lettering
ESTADOS
UNIDOS MEXICANOS (Translation: United Mexican States)
Reverse description
Value, Portrait of Francisco Indalecio Madero to the right
Reverse script
Latin
Reverse lettering
Mo
20c.
1977
Edge
Milled (in pairs)
Mint
Mo Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date)
Mintage
1974 Mo - - 112 000 000 1975 Mo - - 611 000 000 1976 Mo - - 394 000 000 1977 Mo - - 394 350 000 1978 Mo - - 527 950 000 1978 Mo - Doubled die rev. - 1979 Mo - - 524 615 000 1979 Mo - Doubled die obv. large letters - 1979 Mo - Doubled die obv. small letters - 1980 Mo - - 326 500 000 1981 Mo - closed `8`, high date - 248 500 000 1981 Mo - closed `8`, low date - 1981 Mo - open `8` - 106 205 000 1981 Mo - overdate variety `1982` - 1982 Mo - - 286 855 000 1983 Mo - Flat top `3`; see comments - 1983 Mo - Proof - 998 1983 Mo - Round top `3`; see comments - 100 930 000