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
Thanks to eBay member laneyn10 (images 1-4).