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The 'Mona Lisa' of Stamps to Be Auctioned at Sotheby's
New York Times The patient was a postage stamp, one of the rarest in the world, known as the One-Cent Magenta from British Guiana. Mr. Redden, a vice president of Sotheby's, expects it to sell for $10 million to $20 million, at least a billion times its face value … |
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