No need to prove anything. Don't start a big fight with the seller.
Do this:
Go to resolve a problem with this item
item not as described
Open a dispute
Escalate the dispute to a claim
Do what paypal says to do
Ship with tracking when paypal says to
You will get a refund.(You will have to pay return shipping.)
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Ok I do all of this through the ebay resolution center right? I opened a case and they said if the seller doesn't resolve it until Feb 6th then my purchase will be covered by buyer protection. Do I need to go through paypal for any of this?