Autographs
Clyde Barrow fingerprints expected to beat $150,000
Barrow penned the letter to get a friend off a murder charge
Bonnie and Clyde letter hints at eventual fate
The letter was sent by Bonnie and Clyde to a former accomplice
Clyde Tombaugh: the autographs and life of the man who discovered Pluto
The late Clyde Tombaugh discovered Pluto and remains a legend whose autograph is highly collectible