Stamp collecting feels like something your grandpa would wax poetic about, but it's cooler than you think. While the odds that you'll come across one of these record-breakingly rare and valuable ...

Postage stamps have long fascinated collectors, not only for their artistry and history but also for their rarity and immense value. Some stamps have sold for millions at auction, commanding attention ...

"In 1867 and 1868, the United States produced some of the most expensive postage stamps in the world - the grills. Based on a patent by Charles Steel, they were an attempt to produce stamps that could ...