Obverse
National arms, eagle left
Lettering: ESTADOS UNIDOS MEXICANOS
Reverse
Bust facing, sloping right shoulder, round left shoulder with no clothing folds
Lettering: CIEN PESOS MO 1977 PLATA PURA 20 GR. LEY .720
Extended information
Year
Denomination
Currency
Metal
Krause catalog
KM# 483.1
Weight
27.77 g.
Diameter
39
mm.
Alignment
Coin ↑↓
Shape
Round
Edge
Reeded