Obverse description	Eagle on cactus eating snake, emblem of Mexico, with legend above
Obverse script	Latin
Obverse lettering	ESTADOS UNIDOS MEXICANOS
Reverse description	Morelos facing forward with denomination at left, date at right, and silver purity and weight below.
Reverse script	Latin
Reverse lettering	CIEN PESOS Mo 1977 PLATA PURA 20 Gr. LEY .720
Edge	Reeded
Mint	(Mo) Mexican Mint (Casa de Moneda de México), Mexico, Mexico (1535-date)
Mintage	1977 Mo - KM#483.1 (sloping right shoulder, round left shoulder with no clothing folds; high `7`s) - 1977 Mo - KM#483.1 (sloping right shoulder, round left shoulder with no clothing folds; low `7`s) - 5 225 000 1977 Mo - KM#483.2 (date in line; higher right shoulder, left shoulder with clothing folds) - 1978 Mo - KM#483.2 (higher right shoulder, left shoulder with clothing folds) - 9 879 000 1979 Mo - KM#483.2 (higher right shoulder, left shoulder with clothing folds) - 784 000 1979 Mo - KM#483.2 (higher right shoulder, left shoulder with clothing folds) Proof -
Catalog ID	3057175830
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