If you shipped via USPS I recommend you read through this long thread.
USPS is denying insurance claims for sellers using EBAY Managed
Payments.
https://community.ebay.com/t5/Shipping/USPS-claims-Managed-payments/td-p/31640850
I have the exact same problem. USPS denied my claim because the
paperwork provided by Ebay Managed Payments was inadequate. "The proof
of value presented is insufficient" - USPS. SO EBAY - there is clearly a
pattern here and it appears you are ignori...
