The U.S postal system first began operations in 1775 and its 250th anniversary comes as Trump pursues a far-reaching shake-up ...

Doomscrolling is out. Stamp collecting is in, and these are the most valuable stamps that collectors keep showing up for.

The British Guiana One-Cent Black on Magenta begins its journey in a young Scottish boy's collection and passes through the hands of a delusional killer. It was auctioned Tuesday for $9.5 million.

The British Guiana One-Cent Magenta is known as the most famous stamp in the world. STAN HONDA/AFP/Getty Images James Barron got to within inches of the world’s most sought-after stamp: a $9.48 ...