See also https://asiamedals.info/threads/history-and-badges-of-saiseikai-imperial-gift-foundation.23738/#post-349287
1st class badge.
Reverse reads
恩賜財團 濟生會 - Imperial Gift Foundation Saiseikai /Saiseikai = Social Welfare Organization/
第一種會員章 - 1st class Membership Badge
Original...