Unfortunately, I cannot yet identify either car but..........
SAC#633 and SAC#634 photos are both taken at exactly the same location at the same relative time. I cannot tell if the event is an automobile show or some other "ritzy" event.
AS #633 has been identified as a French car with a French body, I guess we could assume #634 is also French/French.
If so, maybe that can help somebody to ID the cars.
Bill