This model (European Escort) is what Ford won the 1970 London to Mexico World Cup Rally race with. That is the 'Back from Mexico' reference. They're not claiming this was sold in Mexico & they decided to import it to the U. K. Race info. posted below.
https://en.wikipedia.org/wiki/1970_London_to_Mexico_World_Cup_Rally
When you buy from an external link below, hobbyDB may earn a small commission.