I never paid much attention to this picture. But take a closer look.
Richard put the coat over Tami, and we all know it’s not from movie 1 or 2. It looks different.
Move three perhaps?
Oooh, well spotted! That does indeed look like a close up of the cloak he wears in TABA/BOFA, look at the scroll work pattern. Aaand now I’m miserable because color symbolism is putting Thorin in black and gold…