Update: This article was published in the American Air Mail Society's Air Post Journal for June-July 2024. A copy of this article is...

[Note: This post was published in the February 2025 Pennsylvania Postal Historian .] On the surface, the folded letter in Figure 1 is not...

On July 16, 1870, fearing the loss of its dominant position in continental Europe, France declared war on the North German Confederation...

This is a great Abraham Lincoln campaign cover (Figure 1). The cover is postmarked "October 29" but without a year. I'm fairly confident,...