Did you buy as a guest rather than by logging into this account?
The seller won't be able to link the purchase to the account you are using today if you bought as a guest.
You need to find the email you got from Ebay when you paid.
Finding your order details
To start a return request or report a problem with an item you bought as a guest, you'll need your order confirmation email. This is the email we sent at the time of your purchase with all your order details. The subject line starts with "Order Confirmed".
If you can't find your guest order confirmation email, select the button below and we'll send you a link to your order details.
Find guest order details - opens in new window or tab
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)