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20 Centavos
km 435 - 20 Centavos (1905-1914) Silver
km 438 - 20 Centavos (1920-1943) 3.33 g • 19 mm -
Silver
km 439 - 20 Centavos (1943-1955) Bronze
km 440 - 20 Centavos
(1955-1971) Bronze
km 441 - 20 Centavos (1971-1974) Bronz
km
442 - 20 Centavos (1974-1983) Madero
km 491 - 20
Centavos (1983-1984)
km
548 - 20 Centavos (1992+)
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