(CNN) — Here’s something for serious stamp collectors only. This summer, philatelists will have a chance to snag the rarest US stamp ever: the 1868 one-cent “Z-grill.” Interested? It’ll cost you (more ...

An ultra-rare stamp depicting an inverted Jenny airplane has been sold for a record $2 million at a New York auction, making it the most expensive U.S. stamp ever sold. A 76-year-old New York man ...

If you’ve ever come across an old stamp collection and wondered if it might be worth something, you’re not alone. Collecting vintage stamps isn't just a charming pastime-it can also uncover hidden ...

A first-class stamp for a standard-size, rectangular envelope costs just 66 cents. But if you want a stamp that’s really something special, you’d better be willing to shell out the big bucks. One of ...

Stamps are tiny pieces of paper, but they can hold enormous value, not just in terms of money, but in history, art, design, and human stories. Some stamps become legendary not for how many were made, ...

A one-cent postage stamp from 1868 is expected to become the most expensive U.S. stamp ever sold when it heads to auction in June. Known as the “Z-grill,” the stamp is the most-valued piece of what ...

One of the biggest mistakes ever made by the U.S. postal service was the Inverted Jenny stamp, printed in a rush in 1918. Now one of the 100 surviving stamps, in nearly mint condition, has sold for ...