"The purchase, sale, trading, or barter of Game Pieces, Game Stamps, FREE Codes or Game Codes via Online or live auctions, or any other methods, does not constitute Legitimate Channels and is expressly prohibited."
I re-read the terms and conditions at the Monopoly/Mcdonald's s site. Sorry not seeing what you have posted. I will check into it further. I'll check with Listia. If your not interested and believe it to be against rules, you have a choice not to bid.