Thanks for the advice on feedback.
I've decided to leave a neutral seeing as she did a partial refund but I will mention the damage, might actually copy and paste your fb suggestion StarFaerie... sounds just right.
I bought another moc the other day and was anxious about the card so asked the seller to make sure to pack her well. Think I will have to do that from now on. You never know how they will pack it, unless you know they are a trustworthy MLP seller.