I will leave it up to the experts, as they will know much more about this great piece. I will try to describe this impressive instrument as best I could. The instrument comes with its original black textured case. The cherry-wood is in great condition with only a few minor scratches. The ornate brackets are nickel or maybe silver, the pieces on the bellow edges are engraved with a swirl designed.
All buttons have mother of pearl tops and they are all present.
The top plate is beautiful with the Bandonion name. The bellows are cover have a plum colored background with gold leaf design with gold harps edged with black binding on edge. The bellows when extended produce smooth sound, with no breaks. The case is in great condition, but show some minor age-wear. It is black with brass buttons.