From time to time you may need to obtain proof of purchase for a One Balance label, such as when filing an insurance claim or when disputing a purchase with a customer. You can find proof of purchase for an One Balance label by logging into your Stamps.com account.
Go to History > Search Print History:
Enter the Tracking Number in the search bar on the upper left to pull up the label details or use the filter features to find the label:
Click on the label to expand the details page to the right of the page. Click the three dots in the upper right of the details and select Print Receipt.