Obverse
National arms, eagle left
Lettering: ESTADOS UNIDOS MEXICANOS
Reverse
Monument
Lettering: CINCUENTENARIO
50
PESOS
LEY
0.999
1938-1988
MO
EXPROPIACIÓN PETROLERA
Extended information
Year
Denomination
Currency
Metal
Krause catalog
KM# 532
Weight
15.55 g.
Diameter
32
mm.
Alignment
Coin ↑↓
Shape
Round
Edge
Reeded