The item is Wilson, the volleyball that was Tom Hanks’ closest companion during his four years stranded alone on a desert island in the 2000 film Cast Away.
After finding the item, Chuck uses his bloody handprint to draw a face onto it and speaks to it regularly throughout the film.
At the time of writing, the latest offer was £42,500, with the auction officially starting at 3pm GMT.
The problem is you’ll have to fork out quite a lot of money – the item is estimated to be sold for up to £60,000.