Chromatic Button 60/72 Chromatic button accordion with 60 treble buttons. Two reed banks for treble and four for the bass. 3 register switches with two different settings. Includes straps and choice of hardcase or softcase. B-System: White Marbled Celluloid Blue Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors C-System: White Marbled Celluloid Blue Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors Chromatic Button 70/96 Chromatic button accordion with 70 treble buttons. 96 basses. Three reed banks for treble and four for the bass. 5 register switches for the treble and 3 switches for the bass. Includes straps and choice of hardcase or softc B-System: White Marbled Celluloid Blue Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors C-System: White Marbled Celluloid Blue Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors Chromatic Button 87/120 Chromatic button accordion with 87 treble buttons. 120 basses. Four reed banks for treble and bass. 11 register switches for the treble and 5 switches for the bass. Includes straps and choice of hardcase or softcase. B-System: White Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors C-System: White Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors Chromatic Button 87/120 Musette Chromatic button accordion with 87 treble buttons in B-System and musette tuning. 120 basses. Four reed banks for treble and bass. 11 register switches for the treble and 5 switches for the bass. Includes straps and choice of hardcase or softcase. B-System: White Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors C-System: White Marbled Celluloid Red Marbled Celluloid Solid Black Celluloid Special colors Pearl colors Wood Imitation