You can buy practically anything on the Internet, so why not ghosts? For shipping convenience, the ghosts have attached themselves to objects—often dolls, clowns, and idol figurines, or Ouija boards. But wearables like clothes and jewelry, art like paintings and photographs, as well as household objects like wooden boxes, furniture, and musical instruments seem to be popular places for lost souls to take up residence. Really, if you believe a spirit, or “energy,” can attach itself to an object, then any antique could be haunted.
For the rest of the story: http://www.collectorsweekly.com/articles/could-your-stuff-be-haunted/