Regardless, in the roughly 250 years since it was officially established, it has created quite a few historically significant -- and valuable ... Issue stamps, known as the 3-cent George ...

Stamps feel almost novel today, but they aren't that old of an invention. The first American ... Rare German Stamps That Made Their Mark Issued just two years after Lincoln's assassination, this ...

These tiny portraits keep America's iconic leaders at our fingertips, their contributions to history forever stamped on our ...

Another holy grail for collectors, the U.S.-issued “Z Grill” is one of the rarest and most valuable stamps in American philately ... sold for a staggering $4.3 million at auction.

Siegel Auction Galleries A 1-cent postage stamp from 1868 is up for auction and could fetch up to $5 million. A New York auction house is selling what it calls “America’s Most Valuable ...

with the rarest being one of two known one-cent “Z” Grill stamps from 1868. If sold for its estimate of $4 to $5 million, the ultra-rare collectible would become the most valuable American ...

On June 14, the one-cent ... 3 million and trading it to Sundman for the prized stamp, finally completing his collection. Once Gross had completed that goal, he ventured into collecting other rare ...