Understanding US postage due stamps can be a complex task, especially for collectors and philatelists. The United States Postal Service (USPS) has issued a variety of postage due stamps over the years, each with its own unique characteristics and features. In this article, we will delve into the world of US postage due stamps and provide a comprehensive guide on how to identify them.
History of Postage Due Stamps
The concept of postage due stamps dates back to the mid-19th century, when the USPS introduced the first postage due stamps in 1851. These early stamps were issued to cover the cost of postage on letters and packages that were sent without the required postage. The stamps were typically affixed to the front of the envelope or package, and were used to calculate the additional postage due.
Types of Postage Due Stamps
Over the years, the USPS has issued several types of postage due stamps, each with its own unique design and features. Some of the most common types of postage due stamps include:
- Perforated postage due stamps: These stamps were perforated to prevent them from being used as regular postage stamps.
- Impressed postage due stamps: These stamps were impressed with a postage due stamp to denote that they were used for postage due purposes.
- Plate number postage due stamps: These stamps were issued with a plate number to help track their production and use.
- Watermarked postage due stamps: These stamps were printed with a watermark to indicate that they were postage due stamps.
- Color-shaded postage due stamps: These stamps were printed with color shades to help distinguish them from regular postage stamps.
Key Features of Postage Due Stamps
When identifying postage due stamps, it's essential to look for the following key features:
- Postage due stamp designation: Look for the words "Postage Due" or "Postage Due" in a different language, such as French or Spanish.
- Perforation: Perforated postage due stamps typically have a distinct perforation pattern.
- Plate number: Plate number postage due stamps often have a small number in the corner of the stamp.
- Watermark: Watermarked postage due stamps will have a visible watermark when held up to light.
- Color shade: Color-shaded postage due stamps will have a distinct color shade compared to regular postage stamps.
- Adhesive: Postage due stamps often have a different adhesive or gum compared to regular postage stamps.
Dating Postage Due Stamps
Dating postage due stamps can be a challenging task, as many of them do not have a clear date of issue. However, there are several ways to determine the date of issue:
- Postmark date: The postmark date on the envelope or package can provide a clue about the date of issue.
- Catalog numbers: The USPS and other stamp catalogs often list the issue dates for postage due stamps.
- Plate number: The plate number on the stamp can help determine the date of issue.
Authentication and Certification
Authenticating and certifying postage due stamps is crucial to ensure their value and legitimacy. The USPS and other reputable organizations, such as the Professional Stamp Experts (PSE) and the American Philatelic Society (APS), offer authentication and certification services.
Conclusion (Not included, as per guidelines)
Resources
For further information on US postage due stamps, the following resources can be helpful:
- USPS: The official website of the United States Postal Service provides information on postage due stamps, including their history, types, and features.
- American Philatelic Society: The APS is a reputable organization that provides information on philately, including postage due stamps.
- Professional Stamp Experts: The PSE is a professional organization that provides authentication and certification services for stamps, including postage due stamps.
The world of US postage due stamps can be complex and nuanced, but with this guide, you'll be well-equipped to identify and understand these fascinating stamps. Whether you're a seasoned collector or just starting out, understanding postage due stamps is essential to building a comprehensive collection.
