I found a listing on Wisconsin Surplus for a IBM PC! Looks to be in pretty good condition too! https://bid.wisconsinsurplus.com/Public/Auction/AuctionItemDetail?pageNumber=WddRnDis30ojx01x46RicQ%3d%3d&pageSize=WddRnDis30ojx01x46RicQ%3d%3d&AuctionItemId=3jok66zd9WZmvrmXELVFIQ%3d%3d&AuctionId=FAusYZe6DMKfQ3AgAOZ6aA%3d%3d