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 ...

WASHINGTON (Reuters) - 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 ...

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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 ...

NEW YORK - "The holy grail of coins" and two of the world’s most valuable items in stamp-collecting are going up for auction next week in New York and could sell for a combined $37 million. The three ...

The 31-year-old son of billionaire “Bond King” Bill Gross has sold five rare postage stamps against his father’s wishes — and bagged nearly $1.9 million in the process. The final gavel price for the ...

An extremely rare 158-year-old postage stamp — one that has been described as the Holy Grail for stamp collectors — will be auctioned off next month in New York City. The famous postal artifact could ...

A pair of rare British "error stamps" are set to go auction in Jersey. The stamps, issued from 1985, depict the Royal Mail ...

The recent sale of a 1-cent Ben Franklin stamp for $4.4 million, the most expensive U.S. stamp ever sold, again raises for consideration the question, “Are postage stamps good investments?” Certainly ...

In 1955, a block of four rare postage stamps was stolen from a display case at a convention. Over the years, two were recovered, but there were no signs of the others — until now. Six decades after ...