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Postage paid: Sotheby’s stamp estimated at $10–20million
The British Guiana One-Cent Magenta is the only stamp of its kind in the world, and by far the most expensive
The British Guiana One-Cent Magenta is the only stamp of its kind in the world, and by far the most expensive
This episode explores an ancient funeral stele, Marie Antoinette’s breast bowl, and how digital technologies are helping to preserve Egyptian heritage sites