See also https://asiamedals.info/threads/army-large-special-maneuvers-committee-member-badge.23523/
Size 53 mm.
Obverse
Osaka city emblem.
Marked
花十三製 - made by Hana Jūzō [13 flowers] workshop.
Original case.
陸軍特別大演習 - Army Large Special Maneuvers
委員徽章 - Committee Member's Badge...
army large special maneuvers osaka badgeimperialjapanesearmymaneuversbadgejapanesearmybadgejapanesearmy large special maneuversbadgejapanesearmymaneuversbadge
花十三製
陸軍特別大演習大阪市委員徽章
陸軍特別大演習章
Watch fobs of a similar design but without artillery shell in the center https://asiamedals.info/threads/crossed-flag-sabre-and-rifle-design-army-special-large-maneuvers-watch-fobs.24158/
Specimen from the collection of Raymond LaBar. Photos courtesy of the owner.
Obverse
特別大演習記念 -...
See also https://asiamedals.info/threads/army-large-special-maneuvers-osaka-city-committee-members-badge.29093/
Reverse is marked 花十三 - Hana Jūzō [13 flowers] workshop.
Even with original case we still couldn't determine the place and year of the maneuvers.
陸軍特別大演習 - Army Large Special...