Appearance of foam cup
Some guy sold 3 tablespoons of water that was was in a cup that Elvis Presley drank from for $455 on eBay. Now he has put up for bid the foam cup that he drank out of.
Except you don't actually win the cup, you win a one-time appearance of the cup. The guy doesn't want to sell it, but he will personally fly to you and show it to you.
Check it out here.
