New to the Forum and Help Please

First off who I am.

Jay Wolf, I own Elite Ammunition specializing in 5.7x28mm ammunition and other products for firearms chambered in that caliber.

I also extensively customize FNH Five Seven pistols.

Well I also on the side do other gunsmithing and restoration work .

This was just dropped off by me. I will re-assembly it and I can tell pieces are already missing like the ejection rod. The customer wants it assembled and mechanically functioning not firing.

Can I get more info on it? Is there a data base for the serial number?
How can I tell if it was made here during the civil war or was an import?

Thank you in advance
Jay

Image links since the ones I used don’t seem to work

https://imgur.com/N3LyEeT

https://imgur.com/xyuqBBh

Other two links,

https://imgur.com/rwsgCl2

https://imgur.com/Nfx8CAr

It seems that a lot of things are missing …
LF with a crown is Lepage - Freres made in Belgium under licence of Lefaucheux.
Impossible to say if 472 is a number of Lepage or Lefaucheux
If Lefaucheux = 1857

Thank you for the info!

I have all the other parts, screws hammer etc. Just not in the picture.
The one thing I am missing is the hand ejector rod.

I checked my normal obscure parts resources and it looks like I will have to make one by hand,

The ejector is very difficult to find and at the end its never the right size…so you have make one by your self