Here is a complete set used by a German sniper during WWI. The scope was made by Oigee in Berlin, model Luxor 3x. The scope, mounts and carrying case bear the G98 serial number 7368 bb. The case also comes with its little cleaning brush and mount adjustement key.
The well-known picture below shows a German sniper aiming through a similar scope from its trench during WWI. Note the carrying case attached to its belt.
A complete WW1 set composed of a Oigee Berlin Luxor 3x scope with its matching carrying case (rifle. N° 2495 z) and accessories. The small key was used to move the rear mount leg when mounted on the rifle.
Luxor 3x sniper scope made by Oigee manufactuer in Berlin. This model was one of the most used during WWI. Its deported mount is also typical and wears the same rifle number “n° 712 i” than the scope main tube. Meter dial is Prussian 1-10 style.