Add Yahoo as a preferred source to see more of our stories on Google. OMAHA, Neb. (AP) — Hopes by a small aviation museum in southwestern Iowa that a stamp in its possession was rare enough to parlay ...

WASHINGTON — The world’s rarest postal stamp, the 1856 British Guiana One-Cent Magenta, will go on display at the National Postal Museum in Washington starting in April, the Smithsonian Institution ...

Officials at the National Postal Museum are hoping an auction of obsolete revenue stamps will deliver enough revenue to bring new exhibits to the museum. Approximately 35,000 revenue stamps, which ...

WASHINGTON (WUSA9) -- The world'd rarest postage stamp, worth $9.5 million, is headed to the Smithsonian's National Postal Museum next year. Beginning in April 2015, the 1856 British Guiana One-Cent ...

While you might expect some of America's most valuable relics to be items like jewelry or coins, you might be surprised to ...

Hopes by a small aviation museum in southwestern Iowa that a stamp in its possession was rare enough to parlay a potential fortune crashed Friday when experts told them it wasn't real, and likely not ...