Billy the Kid photograph sold at auction in Colorado for $2.3m

"A photograph believed to be the only surviving image of Billy the Kid has been bought by a private collector for $2.3m (£1.4m) at auction.

The black and white tintype of the 19th-century wild west outlaw was sold at auction in Denver, Colorado, and is believed to have been taken in 1879 or 1880 in Fort Sumner, New Mexico."