Korg Concert C-15S for $100 on C-list. Had speaker issue I couldn't resolve, so I got a Dell laptop for $74, turned it into a Hackintosh with MainStage 3 : r/cheapkeys
Korg C15 Concert Electric piano for Sale in Claremont, CA - OfferUp
Korg Concert Piano C15S | #251299302
Korg C15-S 88 key Concert Piano - musical instruments - by owner -...
E-Piano Korg in Baden-Württemberg - Heidenheim an der Brenz | eBay Kleinanzeigen