Centaur
I feel as though I once read somewhere (I may be incorrect), a statement from OutsideEdge saying they weren't keen to do titles already available through other makers. However, I'd think, theoretically, for every new repro playfield sold and used, there is now a beat up playfield unused, laying around.. awaiting rebirth with a hardtop!
It's Centaur.
full disclosure, I'm presently staring at a post-swap beat out C pf wondering what to do with it.