NEW YORK – A 1-cent postage stamp from a 19th century British colony in South America has become the world's most valuable stamp — again. The 1856 British Guiana One-Cent Magenta sold Tuesday at ...
An ultra-rare stamp depicting an inverted Jenny airplane has been sold for a record $2 million at a New York auction, making it the most expensive U.S. stamp ever sold. A 76-year-old New York man ...
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