The woman who claims to have had an affair with Ashton Kutcher has put a sweater she claims is his up on eBay … AGAIN … after the site yanked it down the first time she tried to sell it.

As TMZ first reported, Brittney Jones posted the sweater last month with a starting price of $500. We’re told the bidding got up to $21,000 with just a few hours to go … when it was mysteriously pulled.

Brit got an email from eBay saying it was pulled because it didn’t have “a cleaning disclaimer” — a must for all used clothing sales. She then got another email a week later saying her listing has been restored … so now she’s trying once again to sell the sweater.