Yes, happened to me as well a few days ago. Seller said it's an ebay issue. I asked for a correct invoice total. He sent it quickly with the correct shipping charges.
Requesting an invoice from the seller should take care of your issue.
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"If there hadn't been women we'd still be squatting in a cave eating raw meat, because we made civilization in order to impress our girl friends. And they tolerated it and let us go ahead and play with our toys." Orson Welles