In order to be able to open an claim both for damage and loss, it is always necessary to present documentation that certifies the value of the items shipped such as the eBay sale record or the PayPal transaction confirmation.
You can attach to your claim form one the 2 options below:
> eBay sale record
When you sell an item through eBay, you have the sale record that has all the details about the transaction. In this case attach a screenshot of the sale record where the amount paid and the buyer information is clearly visible:
> PayPal transaction details
If you sold an used item through your eBay account, and you were paid through PayPal, you should have the PayPal transaction details that has all the information about the sale: