CASIO CT-450 (sound and styles demonstration) HiQ sound - YouTube
Casio CTK-450 SongBank Keyboard with Power Cord Original Box | eBay
Casio CTK-450 - Black | Reverb
CASIO CT-450 Music Keyboard - 49 Key Piano Casiotone - Old School 1980's | eBay
Retro CASIO SongBank KeyBoard CTK-450 Synthesizer 61 Key Piano Music Song Bank 90s Speakers Heavy Metal Beats Electronic Musical Instrument for Sale in Lakeside, CA - OfferUp
Casio CTK-450 Keyboard Electric and Battery Tested With Power Source No Stand | eBay
Casio Casiotone Synthesizer CT 450 vintage Keyboard analog tone 80's | Reverb