For over 180 years, we’ve been collecting stamps, and philatelists have put a high price on the rarest of the rare stamps, from hundreds of thousands to millions of dollars. These are the most ...

The "Inverted Jenny," 1918, one of the rarest and most valuable stamps in the world, celebrates the first air mail in the U.S.—by depicting an inadvertently upside-down airplane. Hannah Whitaker ...

It's been almost five decades since the stamp bug bit Joshua Ong Kuee Hong and it still refuses to let him go. “Even back in secondary school, I was aware that stamps have value and can be ...

Tucked away inside the neo-Classical City Post Office Building a few steps from Washington’s Union Station, the museum tells these sweeping stories while also displaying the rarest of stamps and ...

The auction coincided with the holy month of Ramadan, featuring more than 350 rare stamps and coins on display, with stiff competition among participants to acquire unique pieces that hold ...