A print of a legendary and tragic image of John Lennon is being sold this month. Find out why the notorious picture could be worth $30,000.

A drawing on hospital paper made with matchstick charcoal could be worth $200,000. Find out why outsider art is such a big ...

Lionel Messi's locker could be yours. If you have $350,000. Find out more about the Nou Camp sale that ends this month.

A Star Wars production model might make £30,000 at auction. Find out why this Obi-Wan Kenobi toy is so valuable here.