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Chassis plate number in the right side of the engine compartment a riveted in plate: Type P17 E, serial no. 10592
In the front of the chassis, left side: P17 E, 10592
In the front of the chassis, right side: 592 stamped
In the front of the chassis, right side: 592 stamped
In the back of the chassis, right side: 82 400
At the rear axle, left and right: P17D - I0I79. Obviously the rear tracks origins from another P17. This may go back from the time in the French Army, where the cars were dismantled frequently, and part were swapped between the cars.
By the rear springs, left and right: 2265
On the rear axle, shaft between belts: 558
The differenital: 7-11-32, 2265, 7-52
On the radiator, left side: 27789
On the fuel tank, left side: 9183
Unfortunately the engine number is missing...
But the casting date is here.