These are the most valuable stamps from around the world ... One hundred forty years later, the British Guiana 1 Cent Magenta sold for over 6.4 million times that amount and reached $9.48 million ...

Incidentally, the world’s most valuable stamp is NOT a color misprint or other error, nor is it the legendary Blue Mauritius. The most expensive postage stamp is known as the “British Guiana 1c ...