Never used RRP is 100 I think
Casio Casiotone, 61-Key Portable Keyboard with USB, White (CT-S200WE)
Casio Casiotone CT-S200 Portable Electronic Keyboard, Red, 61-Key
Casio Casiotone CT-S100 Portable Electronic Keyboard
Vintage Casio Casiotone MT-820 Keyboard Melody Guide w/ 2 X ROM Packs & Adapter
Rare Vintage 1983 Casio Casiotone 610 Electronic Musical Keyboard METAL Working
Casio Casiotone MT-205 Keyboard Electronic No Power Cord-Works With Batteries
