Which model, BL or B?

On the left, a grille of the model BL (small car): with a round hole to insert the crank.

On the right, a grille of the model BN (=B, big car): with an oval hole to insert the crank.



Which engine?

On the cylinder head you´ll see 11 (= Perfo, left on the photo), or 11 D (right on the photo):

Malle plate or malle bombée?

The ´Malle Plate´ model (on the left, with visible spare wheel) was produced before June 1952.

The ´Malle Bombée´ model (on the right, with integrated spare wheel) was produced after June 1952.