It's postage stamp-sized technology with global implications for healthcare. With a mission to provide diagnostics for the developing world that are cheap, portable and easy to use, the nonprofit ...

a 12-year-old Scottish boy and budding stamp enthusiast, discovered a specimen among his uncle’s papers. He sold it for six shillings—the equivalent of about $11 today. The One-Cent Magenta ...

A new state government circular that requires buyers of a stamp paper to provide details listing the reason they want to make the purchase, has complicated the process of making affidavits and ...

Or so some in Austria seem to think: On Friday, the country’s postal service announced it is issuing a postage stamp made from three-ply toilet paper, to commemorate one of the year’s stranger ...

thought to be the only two examples of Canada's rarest stamp, the two cent "large Queen on laid paper." It's estimated by some to be worth as much as $1 million. Grant Duff was in his early 20s ...