Mexico › United Mexican States › 1970 - 1992![]() ![]() | 20 centavos 1955 - 1971 Bronze, 10g, ø 28.5mm KM# 440 |
![]() ![]() | 20 centavos 1971 - 1974 Bronze, 10g, ø 28.5mm KM# 441 |
![]() ![]() | 20 centavos 1974 - 1983 Copper-Nickel, 3g, ø 20mm KM# 442 |
![]() ![]() | 20 centavos 1983 - 1984 Bronze, 3g, ø 20mm KM# 491 |
