Major stamp auctions are stellar events and none more so than the June 14-15 sale in New York of the key items from the Bill Gross collection, the most complete of United States postage stamp ...

A one-cent postage stamp from 1868 is expected to become the most expensive U.S. stamp ever sold when it heads to auction in June. Known as the “Z-grill,” the stamp is the most-valued piece of what ...

This past March it was announced that a Naples resident was selling a lucrative stamp collection owned by William H. Gross. The collection recently sold at auction for a total of $19,201,550. A single ...