Topic summary
Mexican pesos

Extracted from the Wikipedia article Mexican peso.
21st century
Some establishments in border areas of the United States accept Mexican pesos as currency, such as certain border Walmart stores, certain border gas stations such as Circle K, and the La Bodega supermarkets in San Ysidro on the Tijuana border. In 2007, Pizza Patrón, a chain of pizza restaurants in the southwestern part of the U.S., started to accept the currency, sparking controversy in the United States.