Summary

This is a display enclosure for an 8.8" display. It was designed to attach to the two leftmost screw holes of a 120mm case fan. It has holes in the back to accommodate the ribbon cable and pegs to attach the board.

The display I have in my case is this one from Aliexpress:
https://www.aliexpress.com/item/1005001785839786.html?spm=a2g0o.order_list.0.0.21ef1802vchGYI