I just got this Korg Trinity for a $50 from a local pawn shop. The only damage I notice is the f key being popped up and some scratches along the surface.
Korg Trinity V3 | eBay
File:Korg Trinity V3.jpeg - Wikipedia
Korg Trinity v3 DRS
Korg Trinity x 88 | Strumica
Forgot I had an old Korg Trinity Plus HDR in The Closet - Other Gear - Elektronauts