A 137-year-old photo said to show Billy the Kid with his killer is probably real, experts say, and could be worth millions of dollars after being bought at a flea market for $US10 a few years ago.
A 137-year-old photo said to show Billy the Kid with his killer is probably real, experts say, and could be worth millions of dollars after being bought at a flea market for $US10 a few years ago.
