1st variation "ungilded kanji 功勞".
Obverse
功勞 - Merit
reverse
財団法人 - Foundation
日本傷痍軍人会 - Japanese Disabled Veterans Association
Original case.
All known variations of this badge were manufactured by Tenkodo workshop in Kyoto...
badgesbytenkodoworkshop
japanese badge
japanese disabled veterans association badge
japanese wound association badge
japanese wound badge
wound badge
傷痍軍人会功労章
傷痍軍人会功勞章
傷痍軍人会章
創立40周年記念日本傷痍軍人会功勞章
日本傷痍軍人会功勞章
財団法人日本傷痍軍人会功労章
The workshop was founded March 7, 1952 and still active today.
http://www.tenkodo.co.jp/
Classical workshop label.
See https://asiamedals.info/threads/japanese-disabled-veterans-association-merit-badge.23986/
功労章 - merit badge
日本傷痍軍人会 - Japanese Disabled Veterans Association...