A rare 1897 10 cents-on-9-Candareen dark green Dragons ... A pristine Big Patch of Red stamp sold for 13.8 million yuan ($2 million) in Beijing in late 2018. The Mauritius Post Office stamps ...

Known as the world’s most valuable ... “F Grill” stamp for under $150. These stamps, which were the first to be issued in Hawaii, featured denominations of 2, 5, and 13 cents.