Germany, Wehrmacht. An Infantry Assault Badge, Bronze Grade, Vienna Design Archive While the explanatory parts are

While the explanatory parts are in German

adjustable tab with reinforced button hole

is a mendicant Catholic religious order founded by the Spanish priest Dominic of Caleruega (also called Dominic de Guzmán) in France

On arrival in Japan

Germany, Wehrmacht. An Infantry Assault Badge, Bronze Grade, Vienna Design Archive While the explanatory parts are(Infanterie Sturmabzeichen in Bronze). Constructed of bronzed zink, the obverse consisting of a slightly vaulted oak leaf wreath, joined together at the bottom by ribbon, topped by a Heer style German national eagle clutching a mobile swastika, diagonally across the badge is a Karabiner 98k rifle with the bayonet attached and the carrying sling hanging from the rifle, the reverse with a barrel hinge and vertical pinback meeting a flat wire catch,