The 20 Mexican peso coin is being sold for up to 5 million pesos on e-commerce platforms due to its special design.

As I was shuffling papers in some old files, I came across a slip of paper on which I had written down the price I had paid for a Mexican $50 gold peso coin: $717 Mexican pesos.

The Mexican Peso erased some of Monday’s gains on US President Donald Trump’s inauguration day after the latter threatened to ...