This is a Type 5 (Shō-go-shiki) canteen, used by the former Imperial Japanese Army. Overview: Officially adopted in 1930 (Showa 5), it was one of the main personal equipment items of the Imperial Japanese Army. Features: The body is made of aluminum and painted brown, with a capacity of approximately 1 liter. Shape: It has a unique shape, with a narrow top, and comes with a wooden stopper (some also serve as cork stoppers). Details: It is held by a canvas harness (carrying strap), and the item in the image has the name "Abe" written on it, which is believed to be the owner's name. It is known as a historical military item and a collector's item for antiques. - Type: Canteen - Material: Aluminum - Color: Khaki - Strap: Adjustable - Features: Stowable design Thank you for viewing.