Not a "pure" Imperial Reservist Association Badge per se but its design completely borrowed from the reservist badges https://asiamedals.info/threads/merit-badges-from-kyoto-branch-of-imperial-military-reservist-association.23038/#post-346294
Obverse
老兵 - Veteran
Reverse
?原老兵會?章 -...
japanese imperial reservist association badge
tokyo city veterans association
veteran association of tokyo city badge
veterans association of tokyo city badge
東京市老兵會章
老兵會章