I bought a muzzle loading rifle which did not have the manufacture name on the gun. After digging around on the internet
I came across a two page pdf which gave me the info I needed. My gun was made in 1989 by Armi San Paolo which is now Euroarms. I then sent off an email to Euroarms asking for some info on the gun. Here is the link to the pdf.
http://www.powderhombre.com/mbpproofmarks.pdf