The One-Cent Magenta derives its value from its extreme rarity and remarkable story. It is the sole surviving example of its kind, making it the holy grail for stamp enthusiasts.

The "Treskilling" Yellow also known as the three schilling banco error of color is a Swedish postage stamp of which only one stamp is known to exist.

The Benjamin Franklin Z-Grill stamp is a remarkable piece of American history and a testament to the skill and artistry of the engravers and printers who created it.

The stamp gets its name from the fact that the central image of a Curtiss JN-4 biplane was accidentally printed upside-down, making it a highly sought-after item among stamp collectors.

The Two Penny Blue stamp is an iconic postage stamp from the United Kingdom that was issued in 1840, just a few months after the famous Penny Black stamp.

The Basel Dove is a notable stamp issued by the Swiss canton of Basel on 1 July 1845 with a value of 2½-rappen. It was the first tricolor stamp in the world and the only postage stamp issued by Basel. At the time each canton was responsible for its own postal service.

You have just begun stamp collecting and made it your heart and soul. But you found out that collecting used stamps, from the mail could not gratify your passion for postage stamps.

Stamp collecting is a fun and interesting hobby enjoyed by millions of people all over the world. Interesting enough, stamp collecting can be a costly.

What are the rarest stamps in the world? This is one of the most frequently-asked questions by both budding stamp collectors and those in possession of inherited albums or stacks of stamps.

Old postage stamps, especially the rare stamps, are worth more than the newer stamps.

In philately, stamp grade and condition are very important when it comes to determining the value of stamps.

The price of postage stamps in the United States has fluctuated throughout history. Today, the price of a first class stamp will cost 46 cents, and the price of each additional ounce will cost 20 cents.