
DENVER--For the $2 he spent to buy three old photographs, Randy Guijarro may have hit the mother lode. Among them was a tintype purported to be of Wild West gunslinger Billy the Kid, now valued at $5 million.
The 4-by-5-inch image shows Henry McCarty, also known as William Bonney, playing croquet with accomplices from his New Mexico gang known as the Regulators, according to experts...