Hello,
Currently on ebay is a photo of a Nakajima Ki-49 of 2 Chutai 74 Sentai at:
https://www.ebay.com/itm/15457936570...gAAOSwAo1hIfZj
Given that there is a colour illustration of the aircraft lifted from Eduardo Cea's Bombers of the Imperial Japanese Army 1939-1945 its possible that this photo has been seen before. The colour image is at at:
https://warthunder.fandom.com/wiki/K...4th_sentai.jpg
Regards,
Clint