Here’s something for serious stamp collectors only. This summer, philatelists will have a chance to snag the rarest US stamp ever: the 1868 one-cent “Z-grill.” Interested? It’ll cost you (more than) a ...

The postage stamp that started it all is going under the gavel. The coveted 18th-century rarity, known as the Penny Black, was the world’s first postage stamp and represents the very dawn of social ...

Add Yahoo as a preferred source to see more of our stories on Google. Part of Bill GrossÕs stamp collection, a block of 24-cent stamps from 1869 that depicts John TrumbullÕs painting The Declaration ...

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 ...

While investment quality stamps have a steady history of appreciation, their value at any one point in time is fairly well known. It is therefore important for someone buying stamps as an investment ...

A collection of rare stamps which have been collecting dust in an attic for more than 100 years are now set to fetch at least a quarter of a million pounds at auction after being discovered. The 35 ...