With stamp collecting a popular hobby and lucrative investment, scientists are describing a comprehensive new way of verifying the authenticity and rooting out fakes of what may be the smallest and ...

A stamp expert has cast doubt on an unusual stamp discovered on an absentee ballot in Florida. If authenticated, the rare 1918 "Inverted Jenny" stamp could be worth a half-million dollars. But ...

Here’s good news for all you philatelists out there – scientists have discovered an easier new way of detecting counterfeit rare stamps. Unlike some existing methods, it doesn’t require the ...