Alright Fernando, you got a point; model 1816.
But why a fake ?
The lock plate of pistol model 1816 de la Garde Du Corps du Roy also had a pan with "guarda fuego"
http://pistol3d.com/silex_garde_corp...orps_2_gn.html
http://armesfrancaises.free.fr/pist%...oi%201816.html