昭和4年世界動力会議東京部会徽章

  1. 1929 World Power Conference in Tokyo Participant Badges/1929年世界動力会議東京部会徽章

    A world power conference was held in Tokyo from October 29 until November 7, 1929. Badges were manufactured by Ando workshop in Tokyo. 1st variation (safety pin). No.448 Size 36,9 mm. Obverse 昭和四年 - 1929 世界動力會議東京部會 - World Power Conference Tokyo Subcommittee/Group Ribbon 世界動力會議 - World...
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