Its a moral dilemma. I can't think of a good reason why washing them well wouldn't make em good as new- but at the same time, I wouldn't buy them.
People do, though. If I were you, I'd try to unload them on ebay!
__________________
i woke up one morning and i stepped out of bed | had to get a bike, had to paint it red
Of all the treasures I have, it’s the memories that are the most precious.