robert_bushaw -
Welcome to the Community!
You can check to see what email address was used by bringing up one the item and clicking on "Sell Similar." Check the payments section and note the email address there. If you still have access to this email address, add and confirm it on your PayPal account to accept the payments. This has to be done within 30 days of the payments being made or they are automatically returned. If you don't have access to this email address, you'll want to ask your buyer to cancel the payment so that they can manually send it to your new email address via the Send Money tab. Make sure you reach out to them and let them know what to do, and provide them your new email address. You may want to ask for theirs if you are sending them a money request via PayPal to help facilitate the new payment.
Thanks!
Adrian
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