Oldboy (Blu-ray 4K) (2003)
Blu-ray ALL Germany - Capelight
Limited Edition
This release actually contains a total of 4 discs, with the 2nd disc being a Blu-ray copy of the film.
I confirmed that all Extras on the Blu-ray disc are identical to that of the 4K disc listed.
The steelbook also features touches of glow-in-the-dark paint on it.
Source: I own a (dented in the mail) copy of the film.
Thank you!