Help please, dear friend of mine, have bought fake Miu Miu bag, I have the bag authenticated this morning here and told that it's fake, the seller still thinks that the bag is authentic as she has taken the bag to the boutique and was told that it's authentic, the payment is via paypal through her credit card, my question is will the credit card need non authentications letter for charge back process and if this needed who can do that for her, Caroldiva? mypouppette? any advise? trully appreciate any adviseTIA