Original Japanese WWII Nikko 6x 8° 20' Small Trench Periscope Optic Scabbards & Sheaths which were ground down for

which were ground down for the reduced bore

with an intact top vent cap

This route was risky without the possibility of enemy attack

Soldiers under this division used specific colors and shapes behind the "Indianhead" to designate which unit they were in

As with its predecessor

Original Japanese WWII Nikko 6x 8° 20' Small Trench Periscope Optic Scabbards & Sheaths which were ground down forOriginal Item: Only One Available. This is a genuine WWII Japanese Nikko Trench Periscope. Marked 6x 8 20' and NIKKO on the back of the body, this periscope has excellent optics and a clear range reticle! These are a small sized handheld optic that was used by Imperial Japanese Army Officers for range purposes behind cover. Large examples were used in the trench to peak over the top without the observer losing their head. This example is in great