Their international debut was at the Rouen Grand Prix, a mixed F1/F2 race, with Stirling Moss's Cooper-Alta, who managed to take 4th place among the F2 cars.
O seu debut internacional foi no Gran Premio de Rouen, unha carreira mixta de F1 / F2, cun Cooper-Alta para Stirling Moss, que logrou ocupar o cuarto lugar entre os coches de F2.