Original Japanese WWII Anti-Aircraft Gun Sight 6 x 9.3° with Original Wooden Storage Box Restoration Materials The kogatana knife with this

The kogatana knife with this sword definitely looks to be of recent manufacture

The grip ferrule looks to be plated steel

with the nickel silver parts showing just a bit of oxidation

and the barrel is about 645mm long

Original Japanese WWII Anti-Aircraft Gun Sight 6 x 9.3° with Original Wooden Storage Box Restoration Materials The kogatana knife with thisOriginal Item. Only One Available. This is an outstanding Japanese WWII Gun sight, which we believe to be for an anti aircraft gun. We havent been able to find a comparable example, and so we cannot say for certain what this sight was used for, but given the reticle in the optic, we are certain it is a gun sight. The data plate reads: (Star Logo) 6 x 9. 3 No. 491 JES JES means that it was made under "Japanese Engineering Standards". The optic is still