Solved -PJ301- Constantinesco 5CV open 2-seater 1926

[Paul Jaray]

Know what it is?

Please, respond below and share your knowledge of what this is.
As always, detailed answers are greatly appreciated by all. 
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[Ultra]

Italian?

[Paul Jaray]

Not Italian...

[Paul Jaray]

I'm tempted to move this to the pro section...

[João]

It´s a Weymann bodied Amilcar or Senechal?

[Paul Jaray]

None of the above...

[pnegyesi]

American?

[Paul Jaray]

Nope...

[pnegyesi]

I just found another photo by accident, which shows this exact place. So this is Paris, 1926, right?

[Paul Jaray]

But the car is not....

[pnegyesi]

and the car is not French?

[Paul Jaray]

The year is correct, but the car is not French.

[pnegyesi]

Out of curiousity, got anything to do with Josephine Baker?

[Paul Jaray]

I don't think so...

[Paul Jaray]

Free for all!

[guido66]

German car?

[Paul Jaray]

Nope...

[pnegyesi]

From one of the Benelux countries?

[Paul Jaray]

I'm so sorry.....
This car is indeed French!
I don't know why, these days I messed up with my puzzles...
Locked for you pnegyesi, untill your next reply.
Sorry again...(but, if it may help, this car is French but there is a reason why I was wrong...)

[Paul Jaray]

Locked till tomorrow....

[pnegyesi]

You can unlock it, I I've got absolutely no idea on what this might be.

[Paul Jaray]

OK, then, but it's not that hard...(once you know it  )

[Paul Jaray]

Short lived marque....

[guido66]

Constantinesco in front of the Trocadero in Paris 

[Paul Jaray]

Point already added, but can you add the model's name?