Casio CDP-200R 88 Key Piano Keyboard - Black - | eBay
Synth History - Casio CK-200 [1985] Casio came out with some interesting little synths in 1980s. Many small Casio keyboards of this era combined keyboards with radio and cassette players or
Casio CTK-2200 Digital 61 Keys 400 Tones Electronic Keyboard Piano *tested* Nice | eBay
Casio CTK-150 Keyboard Song Bank with Box and batteries w/ power adapter | eBay