Had this issue, hopefully will save you some time
Reached to Ebay, they Referred me to usps
Use this link to submit your dispute
Automated Package Verification (APV) Dispute
After filling your info
You will receive an email stating
Your dispute request for Revenue Assurance ID (xxxxxxxxx) has been successfully submitted. Please reach out to your PC Postage provider for the status of your dispute after 15 business days.
Then the waiting game begins
