Sorry you could nt succesfully post it.
The pre-proof was done at 1000kg or 14220 psi
the final proof , 800kg
Barrels were made by Ronchard et Cizeron
65mm 2 9/16 " ( 2 1/2" is 63.5mmm)
Malot, dealer, unknown ?

You have a nice gun, than a GI from the Fifth may have found at Reims City Hall.


g gournet