Vintage Soprani Accordian with Hard Shell Carry Case 80 Bass Full size. There are 80 bass buttons and 37 keys on the other side. This is tested and working. Although not an accordionist myself, it definitely plays. Attached is a body strap so it is easy to hold up. And comes with a hard shell lockable carry case. The case locks however one side does not seem to clip closed. This is used and has signs of age. The hard shell is used and can see signs of age. The accordion itself is in full working order from what I can tell. The buttons all work, as do keys. The ...