Pound for pound, these stamps are among the most expensive objects in the world. The first stamp was created in Great Britain on May 1, 1840. It wouldn’t take long for people to start collecting them.

The first stamp was created in Great Britain on May 1, 1840. It wouldn't take long for people to start collecting them. Just one year later, a woman placed an ad in the London Times seeking ...

The stamp contains the ‘Post Office’ instead of ‘Post Paid’. It was sold for a whopping $11.94 million in 2021. British Guiana 1c magenta Issued in 1856 in British Guiana, this is considered the most ...