The greatest stamp collection ever assembled bridges the two great hobbies of stamps and coins.

The One-Cent “Z” Grill stamp doubles the record for the most valuable United States postage stamp at a total sale price of $4,366,000.

Four bidders spurred the price of the Inverted Jenny up to an extraordinary $1.7 million hammer price.

The Certified Collectibles Group® (CCG®) is hiring world-class stamp experts to expand its stamp authentication and grading services in the US.

Sotheby's is set to offer the earliest securely dated example of the very first postage stamp – one of the most significant inventions in human history, the precursor of mass and global communication as well as the keystone and lynchpin of one of the world's most popular collecting disciplines.

THREE TREASURES – COLLECTED BY STUART WEITZMAN

In one of the most exciting developments of the year so far, the secret owner of the 1933 Saint has been revealed to by Stuart Weitzman, who is selling his three treasures at Sotheby's on June 8 of this year.

David Lawrence Rare Coins presents a unique offering of stamp plates and dies from the American Bank Note Company.

Authenticated Stamp Guaranty™ (ASG®) will conduct on-site authentication, grading and encapsulation of stamps in Hong Kong in May 2020.

The top end of the stamp market is thriving based on the results of a few recent auctions.

A New York City based auction house specializing in Rare Stamps and Postal History of the World, sold the New Amsterdam Collection of United States Stamps for close to $7 Million on 10th July 2019.

Coin dealers often look to others in the numismatic business to gain insight on how to expand their business, improve sales, and build a name for themselves in the marketplace. But in the ever-evolving world of retail and commerce, it often pays to look beyond the numismatic world for advice.

There are stunning similarities between computer-software-for-the-world developer Bill Gates and computer-software-for-the-numismatic-world developer John Feigenbaum. Gates pioneered computer technology in the late 1970s and early 1980s, with the launch of the first commercially successful personal computers.

The US Mint will release a limited-edition 2018 Breast Cancer Awareness Commemorative Coin and Stamp Set on Oct. 1, 2018. The sets can be submitted to Numismatic Guaranty Corporation (NGC) and its stamp grading affiliate, Authenticated Stamp Guaranty (ASG), for certification with a special "Coin & Stamp Set" pedigree.

Certified Collectibles Group (CCG) is excited to announce the formation of its newest member company: Authenticated Stamp Guaranty (ASG), a third-party authentication, grading and encapsulation service for collectible stamps.

The Spink USA auction team discovered a long-lost 1918 24c Jenny air mail with center inverted when a prospective consignor, who had inherited the stamp, delivered it to their auction galleries for sale.