Black Heritage Series
In 1978, the USPS introduced the Black Heritage Series. Today, it’s one of the longest-running and most popular US stamp series. Harriet Tubman was born enslaved in Bucktown, Maryland. Tubman…
How to Identify the Stamps in the Flag Over City Series
Although stamps like the Flag Over City series may look alike at first glance, there are minor differences which make each stamp unique. Once you know what these differences are, identifying the stamps is a snap.