Realistic 450 Concertmate 100 Sound Electric Keyboard Made in Japan GC Vintage

As Is Repair Concertmate 360 Keyboard Synthesizer Vintage Circa 1991 Radio Shack

Realistic Concertmate 670 Electronic Keyboard 100 Sounds 100 Rhythm Synthesizer

Realistic Concertmate-370 Portable Electronic Keyboard with Original Box

REALISTIC CONCERTMATE 42-4007 PORTABLE KEYBOARD WORKS W/power Adapter

Realistic Concertmate-750 Electronic keyboard works *

REALISTIC CONCERTMATE 300 ELECTRONIC MUSICAL KEYBOARD TESTED WORKING

Vintage Realistic Concertmate 700 Keyboard Synthesizer, With Case - Works