大阪府聯合青年團功勞章

See also badge made by the same workshop with a similar design https://asiamedals.info/threads/hyogo-prefecture-education-society-merit-badge.26388/ Obverse 功勞章 - Merit badge Reverse 大阪府 - Osaka prefecture 聯合青年團 - Youth League Marked SBD (for Shobido workshop, Osaka...