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The World's Most Expensive Postage Stamp

The World's Most Expensive Postage Stamp

Why is this particular stamp so rare and expensive?

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Daniel Ganninger
May 19, 2025
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The World's Most Expensive Postage Stamp
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The most expensive stamp in the world is the 1856 British Guiana One-Cent Magenta. It is also considered the rarest. It sold at auction in 2014 for a record $9.5 million and again in 2021 for $8.3 million. What makes this tiny stamp so rare and expensive? It has to do with the history behind it and how it is the only one of its kind.

The story of the mag…

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