"Yamato" big guns.
1943 http://cs319222.userapi.com/v319222501/3603/pnJZlbwCzOo.jpg
This is a companion discussion topic for the original entry at https://www.ww2incolor.com/gallery/colorizations/48121/%22yamato%22-big-guns.
1943 http://cs319222.userapi.com/v319222501/3603/pnJZlbwCzOo.jpg
Absolutely amazing work. It looks like an original 1940’s color photo.