Clint,
The single Amiot 370 appears to have retained its civil registration F-AREU throughout.
It was later used by the l'Armee de l'Air for flights between Madagascar and Djibouti. See
http://pagesperso-orange.fr/roumseto...gascar_300.htm
As you can see on the picture, it has Air France markings (again?) at the end of 1941.
Regards,
Leendert