1927 Mexico 2 Pesos

Weighing a precise 16.66 grams in .720 fine silver, the 1927 2 Pesos marked Mexico's effort to standardize its currency amid post-revolutionary reforms.

That standard helped stabilize trade, drawing on domestic silver supplies to replace the chaotic issues of the prior decade. The obverse features the national eagle perched on a cactus, clutching a serpent; the reverse simply states the denomination and year. Records from the Mexico City mint are spotty, so exact production figures remain unclear—likely in the millions, but that's guesswork.

Some call it the "reform peso," though that's a misnomer; it was always a 2 Pesos coin.