C.P. Goerz Berlin 3x scope wearing the rifle number (gewehr. Nr.) 6876. Meter dial is Prussian style 1-10. This mount was one of the first interchangeable models made for sniper use, allowing to mount the scope on any other rifle fitted with the right bases without needing of gunsmith modifications.
Sniper Scopes 
is the sope for sale?thank you alain france