bismarck kai (kancolle)
Bismarck's Kai form that shows her in her Baltic camouflage before she was repainted in Norway before heading out and then getting sunk by Royal Navy. Outside of rigging the main difference between base Bismarck and Bismarck Kai is presence of camo stripes on both her clothes and peaked cap and her detached sleeves terminating with a red armband.
This tag implicates bismarck_(kancolle) (learn more).