We have one sitting around here. It belonged to Jenn's great uncle Arthur, who was an illegal immigrant before they ever thought of such things. He was a musician for the White Star Line who jumped ship in Boston. He'd had been scheduled to be on the Titanic for its maiden voyage but gave up his birth to a friend who needed the extra money. Otherwise, his concertina would be sitting on the floor of the North Atlantic someplace.

Alternate uses? Open it up and use it to sort mail.