6.- Shape.- In addition to the round coin, there are other polygons (square, rectangular, pentagonal, octagonal, etc.); for example, the 10-peso heptagonal coin minted in Mexico between 1974 and ...

The 20 Mexican peso coin is being sold for up to 5 million pesos on e-commerce platforms like Mercado Libre. The reason for its high value lies in its design, which was internationally recognized ...