America’s most valuable postage stamp sold for nearly $4.4 million on Friday. The 1868 one-cent “Z” Grill was sold as part of the collection owned by “Bond King” Bill Gross, who co-founded asset ...

Britain's “rarest and most valuable” stamp is set to be sold for more than half a million pounds. Stamp dealer Paul Fraser Collectibles has confirmed it will be selling a Plate 77 Penny Red from 1864, ...

The 1868 One-cent Z Grill stamp is one of only two known surviving copies, and the only available to collectors. (Robert A. Siegel Auction Galleries) Famed bond manager Bill Gross is selling out of a ...

PIMCO founder and investor Bill Gross — best known as the "Bond King" for his role in the bond market — collected $4.4 million at an auction for a rare stamp. What Happened: Gross, who has been shying ...

Stamp collecting feels like something your grandpa would wax poetic about, but it's cooler than you think. While the odds that you'll come across one of these record-breakingly rare and valuable ...

Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish boy ...

Here are the 10 most expensive collectibles ever sold, along with their reasons for commanding such staggering prices.

The most valuable rare stamp in the world is the British Guiana 1c Magenta. The stamp was auctioned in 2014 and sold for $9.48 million, though that price tag dipped considerably when it was auctioned ...

Stamp collecting has been a popular hobby since the 1850s. Because of this, you'll find stacks of stamps in stellar condition at estate sales, in thrift shops, and elsewhere. This is great, because ...

Many collectors today wonder if postage stamps are good investments. While some rare and historical stamps have increased in value over the years, the market can be very unpredictable. Factors like ...