P.38 pistols made for the occupying French forces had the five point star as the final (or definitive) firing proof. Each of the three component/component groups (barrel, slide, and locking block) that played a part in locking barrel and slide together until barrel pressure had dropped to zero after a shot was fired were stamped with this firing proof.
Here are images of a SVW 45 P.38 produced for the French occupiers, showing the usage of the "French proof":
