|MXN 1992 1 Peso|
|Main Design||MXN km550|
|Mint||Casa de Moneda de México|
The front should have an eagle fighting a snake, which has ESTADOS UNIDOS MEXICANOS on the outer rim. On the rear, there should be the date and the denomuation, as well as the mintmark OM and a $ sign at the left. An Aztecian clock races around the outer layer. The rims are not reeded.