MULTI-POINT INSPECTION ON EVERY INSTRUMENT. Rossetti 2512 25 Keys 12 Bass Buttons Piano Accordion BLACK with Straps, Case. Easy Access Front Panel. 15 White Keys and 10 Black Keys. First Key Starts with G. Slide Lever Air Valve Makes For Faster Air Intake. Keyboard Width: 11 3/4. Dimensions: 14.25″ x 13.25″ x 7.5. Weight: 8.5 lbs. Includes Hard Case and Straps. 1 X Rossetti 2512 25 Keys 12 Bass Buttons Piano Accordion BlACK. 1 X Rossetti Hard Case. 1 X Accordion Straps. This beautiful piano accordion with its Italian style decorations and bright pearlescent finish comes in several colors. There are 15 white key and 10 black keys. The first ...