These are the most valuable stamps from around the world ... stamp issued in 1847 or 1846 (it’s said to have been used as postage for a love letter between two cousins). It sold for $1 million ...

China’s first postage stamps from the Qing Dynasty ... the U.S.-issued “Z Grill” is one of the rarest and most valuable stamps in American philately thanks to its unique “grill” design.