Oscar Schmidt diatonic F/C Centurion, 15 custom chord bars with lock bar, maker is unknown. In good condition. Comes with chipboard case.
The top has a slight bulge, but the instrument is holding its tuning well. The lock bar reverses to cover both keys.
Chord bar layout: Treble row, Fsus4, Csus4, C7, G7, D7-3. Center row, Dm7, Bb, F, C, G. Bass row, Am7, Gm, Dm, Am, Em.