I was shocked to see who sold you the bag. Shes on a list of sellers I trust. I will be skeptical to buy from her in the future as that auction was quite shady and sneaky in my opinion. The marks are more than slight discolorations in my book. It leaves a lot open to interpretation. I would have mentioned the tabs if I were selling the bag. It comes across as dishonest that she did not picture the stains or specifically tell you about them. I don't mean to rain on your parade but for $500, the bag should have been in better condition. (And believe me, I've done months of ebay research as I had wanted to buy a used speedy 30).
However, if you look on the bright side... at least the bag is authentic and not a fake. I would not leave negative simply because I would not want retaliation, maybe you can work something out with the seller. I would want to return the bag but that is just me. If you decide to keep it, I would try makeup remover wipes and see if it helps. Nothing to lose in trying right?
She has agreed to a refund, less the shipping.
Definitely agree that $500 was way too much for so many water stains. If they didn't have them I would have been happy because the inside of the bag is in excellent shape, the handles aren't dirty, the patina is pretty. If you look at the pictures, the bag looks good. I will be on the look out for another Speedy. Thx!