Today, first-class mail is often carried by planes, but before 1977, air mail was a distinct service from first-class mail, and a sender...

This cover (Figure 1) was postmarked in Conway, New Hampshire on August 15, 1859, and was addressed to Colonel Thomas E. Chickering of...

Today, the smallest postcard or envelope that you can mail through the US Postal Service has to measure at least 5 inches long and 3-1/2...

This cover was postmarked in Augusta, Georgia on June 6, 1944. That was the date Allied forces landed at Normandy, a day known as...

(This article was published in the Airpost Journal, April 2024, Vol. 95, No. 4, Whole No. 1126, pp. 144-146. A PDF of the published...