Original U.S. WWII B-17 B-24 Aircraft .50 Cal 30 Round Ammunition Box with Inert Rounds Japanese Guns & Ordnance government issued wood chest is

government issued wood chest is marked:

and there are a few condition issues and small issues with the wood

This is the abbreviation for Manufacture Impériale de Mutzig (also known as Manufacture d'Armes de Mutzig)

This won't last long because you can't find them anywhere else

This horn came to us as part of an old large private collection we purchased in England in 2014

Original U.S. WWII B-17 B-24 Aircraft .50 Cal 30 Round Ammunition Box with Inert Rounds Japanese Guns & Ordnance government issued wood chest isOriginal Item: Only One Available. As used by Boening B 17 Flying Fortress and Consolidated B 24 Liberator Bomber flight crew members, this is the Type 0 1, Browning ANM2 M3 30 round . 50 Cal. Machine Gun Ammunition Box (93 24673), A. S. C.# 5200090900. These were used on ANM2 Ring Carriage mounts during WWII, as there was not room for a larger box. Also included is a belt of 30 rounds of inert . 50 caliber ammunition.