Fewer people are sending items by mail these days, opting instead for online bill pay, email and social media. But some ...

The stamp, seen here with Siegel Auctions President Scott Trepel, once famously featured in an episode of the Simpsons A rare US postage stamp ... while at a yard sale. "The airplane's upside ...

An upside down ship makes this commemorative stamp one of the most famous and valuable American postal errors of all. Find ...

it's always useful to have some stamps on hand. It costs 60 cents to send a domestic 1-ounce, standard-sized envelope through the United States Postal Service, making it an affordable way to ...

The Year of the Snake stamp is being issued as a Forever stamp in panes of 20, making it not only functional but also a collector's item.

The universe of United States postage stamps featuring James Webb Space Telescope ... It too remains for sale from the postal service.

A drawing on hospital paper made with matchstick charcoal could be worth $200,000. Find out why outsider art is such a big ...