Japan, Constitutional Monarch. An Air Self-Defense Force Badges Hold which means he was likely

which means he was likely under-aged when he signed on for First World War service

an official award

black paper backers

Six and a half weeks later he was appointed Acting Corporal on May 29

marked "SILVER" and dated "1917" on the edge

Japan, Constitutional Monarch. An Air Self-Defense Force Badges Hold which means he was likelyDirect Air Command Badge (three piece construction, bronze gilt with green and white enamelled disk, mounted to a silvered metal wings base, unmarked, 21. 5 mm x 80. 2 mm, dual screwposts intact, without screwbacks); Navy Pilot's Badge (bronze gilt, 19. 8 mm x 60. 7 mm, horizontal pinback); Flight Surgeon Badge (silvered metal, 20. 5 mm x 60 mm, dual screwbacks); and Pilot Wing (yellow embroidered insignia, on a black nylon base, 21 mm x 47 mm).