Did you open the relevant case for this refund? Were you then notified by eBay that the refund was made.?
Refunds go back to original payment source and are not always instant.
Paypal fund payment goes back to your Paypal account fairly swiftly.
Debit card payment, up to 12 days to go back to bank account.
Credit card payment? Up to 30 days to go back to that card account used.
