Same design of obverse - different inscription on reverse. Reverse 名誉射撃優勝記念 - Honorary Shooting Victory Commemorative 歩兵第三聯隊 - 3rd Infantry Regiment 大正十年 - 1921 Another example that lost almost all of its silvering.
Watch fob of the same design but commissioned by a different regiment. Obverse 賞 - Award Guards emblem reverse 歩兵七七聯隊 - 77th Infantry Regiment 剣術競技會 - Kenjutsu Competition