Original Pre-WWII Japanese Type 89 Display Grenade Discharger Knee Mortar dated 1934 - Matching Serial 1142 Restoration Materials as indicated by the information

as indicated by the information stamped into the right side of the butt stock:

improving means of communications and suppressing the slave trade in the area

This high quality enamel sign shows some signs of wear and age

Patton was given command of the Third Army

and is definitely not original to the helmet

Original Pre-WWII Japanese Type 89 Display Grenade Discharger Knee Mortar dated 1934 - Matching Serial 1142 Restoration Materials as indicated by the informationOriginal Items: Only One Set Available. Totally non functional and inert, having been demilled according to specifications outlined by the ATF (Bureau of Alcohol, Tobacco, Firearms and Explosives). The tube has been drilled with a bore width hole, and had the trigger rendered inoperable per BATF regulations to deactivate. Not Available For Export. The Type 89 Grenade Discharger, inaccurately and colloquially known as a knee mortar by Allied forces, is