it sold for $1 hedge funder barry rosenstein. the most expensive real estate listing was the square foot house in bev hills called plattzodiamorte. listed for $195 million, got a 13,000 square foot entertainment complex and the wine cellar holds 3,000 bottles. the most expensive work of art sold this year was chairiot sold for over $100 million and broke a record for the most expensive car ever sold at auction. this 1962 ferrari 250 gto sold by pebble beach for $38.1 million. but some experts are warning that the car boom may be about to stall. >> no one wants to be made a fool of and i think we just might be seeing a little bit of a collective inhale, maybe people taking a little bit of a break and waiting to see where this market goes. >> reporter: the same one cent magenta expensive stamp ever sold at $9.5 million. and the henry graves super complication by fe leap for $24 million for proof that the cupcake trend has reached its ridiculous apex, t $900 cupcake sold by a toronto bakery with jamaica and champagne and 24 karat go