Haunted Mansion CM Costume on eBay
First off, not too sure if this is in the right place or not, so those of you who have the power, move it if required.
Among the rarest Disney costumes that come up for auction are the Haunted Mansion ones. But, sure enough, a genuine HM costume is on eBay right now, although it isn't complete. It currently stands at approx. $30, but, if it isn't pulled by Disney (As has happened before), expect to see this skyrocket. It's from California, not Florida, but there isn't that much difference: