And just think: there were several underbidders. It is the most expensive 19th-century photograph at auction. That record was set just a few weeks prior to the auction of the tintype at $1.3 million in France for a Gustave Le Gray of ships. At $2.3 million Billy the Kid didn't just beat the last record, it clobbered it. Still, the most expensive photograph is a contemporary one by Gursky at $4.3 million.