In the following infographic, Bob Books have collated 15 of the most expensive photographs sold or auctioned in history. For example, Billy the Kid can be attributed to the incredible life of crime and lawlessness that the outlaw became notorious for, and the scarcity of genuine original images of Billy. Richard Prince’s Spiritual America may draw its value from the controversy surrounding the image. However, the most expensive photo ever sold is worth 4 Million dollars. See these and others below.