Scott Trepel of Seigel Auction Galleries describes the rare "Inverted Jenny" stamp that sold for a record $2 million.

Only one of the one-cent Z-grill, the rarest US stamp, is available to private collectors. When it goes up for auction in June, it could sell for millions.

How can I tell if my stamps are valuable? One way of finding out what your stamps might be worth is by researching stamp catalogues and identification books.

Rare Inverted Jenny stamp sold at auction for record-breaking $2 million to NY collector The 'Inverted Jenny' stamp is a very famous and valuable item in the world of stamp collecting.

This guide is designed to walk you through the steps of initiating a valuable stamp collection, ensuring that the curated assortment becomes a cherished heirloom for generations to come.

Read more: Valuable Sports Cards That May Be Hiding In Your ... So before you toss that old stamp collection, take a close look — you might be holding a piece of history. Read the original article on ...

Tamer Soliman/istockphotoCollecting vintage stamps isn’t just a hobby; it can double as a treasure hunt. Like rare coins, vintage watches, and cookbooks, stamps can be worth serious money ...

A rare Benjamin Franklin Z-grill stamp from 1868 could fetch as much as $5 million once it hits auction in New York. There are only two known stamps in existence.

(CNN) — 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 ...

Scott Trepel of Seigel Auction Galleries describes the rare "Inverted Jenny" stamp that sold for a record $2 million.