Obverse
Coin mint called de balancín (of sway) in the center. Mint name above and year to the left.
Lettering: CASA DE MONEDA DE MEXICO
1980
Reverse
scale
Lettering: UNA ONZA DE PLATA PURA
LEY
.925
PESO
33.625
GRAMOS
MO
Extended information
Year
Denomination
Currency
Metal
Weight
33.6 g.
Alignment
Coin ↑↓
Shape
Round