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...
badges of saiseikai imperial gift foundation
early badges of saiseikai
japanese badge
japanese badge in the form of the flower
恩寵財団済生会第一種会員章
恩寵財団済生会第二種会員章