The British Steelbook edition came with a cardboard slipcover, the Steelbook, a DLC sheet for RE:Verse, and a second sheet with the technical information usually printed on the reverse of the cover inserts with games in Blu-ray cases.
1. Front of slipcover
2. Back of slipcover
3. Front of case
4. Disc
5. Back of DLC sheet
Thanks to eBay members adrianko18 (images 1, 3), danicode1983 (image 2), and kassingavin1 (images 4-5).