Man auctions ad space on forehead
Andrew Fischer, from Omaha, Nebraska, said he would have a non-permanent logo or brand name tattooed on his head for 30 days.
"The way I see it I'm selling something I already own; after 30 days I get it back," he told the BBC Today programme.
Mr Fischer has received 39 bids so far, with the largest bid currently at more than $322 (£171).
"The winner will be able to send me a tattoo or have me go to a tattoo parlour and get a temporary ink tattoo on my forehead and this will be something they choose, a company name or domain name, perhaps their logo," he told the Radio 4 programme.
He said he would