Sample proof package
SAMPLE · fictional letter and tracking
This example was not mailed. It is a Certified Mail Sender record, not a USPS document.
A letter and the record you keep
Keep the letter’s PDF with its tracking record. This sample shows an acceptance scan; real tracking can arrive late or have no acceptance scan.
USPS tracking example
SAMPLE · DeliveredProof of mailing: Wed, Oct 28, 2026 at 2:54 PM Eastern in Flint, MI.
In this fictional example, USPS’s acceptance scan dates the mailing. A payment date is not the mailing date.
Our printing partner mails from its own plant, which may be in another state, and hands your letter to USPS. The scan’s place is where USPS took it in, not your address.
USPS: delivered Sat, Oct 31, 2026 at 10:00 AM local time in Madison, WI.
Electronic Return Receipt: not yet provided by USPS.
Sample tracking number: 0000000000000000000000