C.P. Goerz Berlin 4x is an interesting WWI scope because it was mounted on a mount which could be seen as the ancester of the WWII turret mount. This was, with the similar Goerz 3x mount, the only mounts from 14-18 that could be changed from a G98 to another one without modification (having the right bases on it, of course).
C.P. Goerz Berlin 4x Carrying case made during World War I era. The case was originally painted green.
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.