With no feedback and unwilling to get verified, you are better off starting a GoFundMe page requesting for donations to upgrade your pledge to Pantheon Rise of the Fallen, rather than expect someone to fork over $400 to you here.
I don't want to sound like a troll, but even if you are 100% honest, your account has a credit card attached to it. This means if the new buyer uses a new credit card to buy stuff in the marketplace, the account would be immediately banned since the new CC's name doesn't match the old CC.