Badges were manufactured by Nichibei Kishō Shōkai https://asiamedals.info/threads/badges-in-the-advertising-postcards-of-nichibei-kisho-shokai.19322/.
"Mother of the Soldier at the Front" badge https://asiamedals.info/threads/mother-of-the-soldier-at-the-front-badge-no.30555/.
Obverse
出征ノ父...
