A comic book lover from America was over the moon that his mum held onto his impressivecollection from over the years, after he discovered one in particular is worth thousands.The Antiques Roadshow US guest was welcomed onto the show clutching his box of comic books that his mum purchased at an auction herself years ago. He explained: "When I was a kid, I would go down to a store in Washington and buy candy and comics and my mum knew this, of course.