
The United States Postal Service issued a commemorative stamp honoring Benjamin Banneker, a free African American almanac author, surveyor, astronomer, and farmer, in 1980. Part of the Black Heritage series, this philatelic... Read more »

A postage stamp of the value of one penny served as a fundamental component of postal systems, particularly in the United Kingdom, allowing for the affordable sending of letters and small packages.... Read more »

A non-denominated stamp maintains its postal validity regardless of future price increases. For example, a stamp purchased today for the current first-class mail rate can still be used to send a first-class... Read more »

An inverted airmail stamp, a philatelic term, refers to a postage stamp printed with the image of an airplane oriented upside down relative to its intended design. One famous example is the... Read more »

A postage stamp honoring Lucy Stone, a prominent 19th-century American orator and activist central to the women’s suffrage movement, was issued by the United States Postal Service. The stamp typically features her... Read more »

A grouping of individual stamps, often attached to a backing paper and sold as a single unit, provides a convenient way to purchase and store multiple stamps. These groupings can range from... Read more »

The evolution of postal rates in the United States reflects broader economic and social trends. From the first uniform rate of three cents in 1847 to the modern fluctuating price, the cost... Read more »

A commemorative postal issue often marks significant celestial events. For example, a special design might be released to celebrate and memorialize the occurrence of a total solar eclipse. These collectibles typically feature... Read more »

The historical progression of postal rates reflects more than just the cost of sending a letter. It offers a glimpse into economic trends, technological advancements in printing and distribution, and even evolving... Read more »

Software applications designed for mobile devices or computers offer the capability to identify postage stamps through image recognition technology. A user typically photographs or scans a stamp, and the application analyzes the... Read more »

