This cover is likely from the early 1850s. I assume that is the case because this envelope has two stamps that help narrow the timeframe....

[Note: This post was published in the February 2025 issue of Badger Postal History .] Covers from the stampless era – the period prior to...

This is how the catalog for the HR Harmer auction held October 26-27, 2022, described the item pictured in Figure 1: Green Bay M Ty 4...

The Post Office began to transport mail via plane, i.e., "airmail," as early as 1911, but official airmail service didn't commence until...

This cover from 1894 is beat up, but it has a neat train car-themed ad and a recipient who died of a pistol shot! It was mailed from...