eBay/Getty Images As an item created for internal review before mass printing, an artwork proof is inherently scarce. The added element of signatures, particularly from key members like Liam and ...

Similar rare 50p coins are listed on eBay for whopping profits, with some on for as much as £50,000.

Artificial intelligence has come a long way from answering simple questions and recommending playlists. Today, it can create lifelike images out of thin air everything from fake photos to made-up ...