Why not? Because he saw the article on Ebay? I don't know if this changes things, but they paid in person, they had every chance to inform the other party if i

Why not? Because he saw the article on Ebay? I don't know if this changes things, but they paid in person, they had every chance to inform the other party if it seemed so strange for them. And the fact remains, there was a party who didn't know, and another that knew and took advantage. For example, if she knew, she could have started the auction at a much higher price...