Serenelini 233 Deluxe DG in walnut. Three voice treble (LMM) 23 button with 4th button start with low G scale, 8 bass. Layout chart here. Three treble stops allow the player to select any combination of three reeds. The two bass stops control the thirds in the chords and the low bass reed. In as new condition. With gig bag and a pair of padded shoulder straps.