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Precious US stamp from 1868 expected to sell for eye-popping sum: 'Rarest of the rare'
the most significant and most valuable collection of United States stamps formed this past half century." READ ON THE FOX BUSINESS APP "Its appearance at public auction will be a historic event ...
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Most Valuable Stamps in the World
The first stamp ... one of the most famous stamps in all philately. There are at least 86 known in existence (only 100 were ever printed), but the one sold in 2018 is the most expensive because ...