Reverse
極第二九〇五部隊 = Kiwame Unit No. 2905 /Kiwame, meaning "decisive" or "extreme" was used as the Heidan-Mojifu (force code character) for the 27th Division of the Imperial Japanese Army and Unit 5029 was the code of 27th Mountain Artillery Regiment/ =
山砲兵第27連隊 - 27th Mountain Artillery Regiment
Regiment was established on April 18, 1936, as the China Garrison Artillery Regiment, and on June 21, 1938, when the units of the China Garrison Army were reorganized to form the 27th Division it was renamed the 27th Mountain Artillery Regiment. In the early stages of the Sino-Japanese War, this unit was the only one equipped with the state-of-the-art Type 96 150 mm howitzer, posing a significant threat to the Chinese army.
誠心神社 - Seishin Shrine /historic Buddhist temple located in central Kyoto /
2602.5.4. - May 4, 1942
御造営記念 - Shrine's Construction Commemorative
Original case.
記念 - Commemorative
本間部隊 - Honma Butai/Honma Force
https://asiamedals.info/threads/battle-of-wuhan-participation-commemorative-badge.11733/#post-187089.