Photo courtesy of the owner.
Obverse
賞 - Award
角道 - Sumo
(same text is duplicated in Uyghur language)
reverse
参加章 - Participation Badge
第 回角講習會 - No. [space is left for the number] Sumo Class; Short Course
満州角道會 - Manchuria Sumo Association
康德 年度 - Kangde [space is left for...
