

Any idea what this Accordion is?
I am cleaning out some of my Grandfather's things after he passed and came across what I believe to be an accordion.
He had dementia when I asked him about it, but he said it was my Great Grandfather's (WW2 Vet), so I am assuming it is pretty old.
It seems pretty intact, it does make noise when expanded.
I apologize if this is not an accordion, but I don't know what else it would be. I don't need any valuations or anything, I just want to know what it is and the age/history of such an item.
Thank you all.