WW2 I don't know the details, but it seems to be during the war. Take a closer look at the photo. Since it is an old item, the box etc. The item "WW2 Imperial Japanese Army Medal Very Rare! Military Antique Free/Ship" is in sale since Thursday, March 4, 2021.
This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Japan\Other Japanese WWII Orig Items". The seller is "ryomtakeut-0" and is located in Osaka. This item can be shipped worldwide.