A Batman fan has said he is "disappointed" most of his memorabilia failed to sell at a Manchester auction.
Steve Mathews, 56, has managed to amass about 2,000 Batman items since he started collecting when he was eight.
Although a third of the lots were sold for £2,215, Mr Mathews said he would continue to seek buyers for the rest.
Michael Perry, from Capes Dunn auctioneers, said: "We were hoping that the American market would click in but it didn't."
He added the memorabilia was a "wonderful collection".
"The traditional stuff sells very well in the toy sales… but because [the Batman collection] was so modern - you can get lured into thinking that because you've got a lot of a thing, it makes it more valuable but it doesn't always work."
Batman first appeared in a comic book 75 years ago, and has since been adapted for TV and film, with Adam West, Michael Keaton and Christian Bale among those portraying the caped crusader.
Mr Mathews, who works as a hairdresser, said: "I did actually like Batman but collecting gradually got bigger and bigger as I got older."
He even heated the garage at his Lytham home so the items could be preserved in good condition.
He decided to sell his collection after he and his wife experienced health problems.
"I had a few health issues so I just thought this is trying to tell me something.
"So I thought there was a lot to get rid of and I would hate for my wife and two daughters to have to get rid of it all."