CSG, a Certification Service for Sports Cards, Is Launching Soon!
Be part of our starting lineup!
CCG Hires Two World-Class Sports Card Experts
Andy Broome and Westin Reeves will lead CSG, a new third-party sports card grading service.
The World's Leading Collectibles Services Companies
The CCG companies provide expert services that add value and liquidity to a variety of collectibles.
NGC Certifies Extreme Rarities from the Partrick Collection
Two Brasher Doubloons are among the selections NGC has certified from this incomparable collection.
Numismatic Conservation Services
NCS provides professional conservation services for public and private collections of coins, tokens and medals.
PMG Certifies 5 Million Notes
The world's leading paper money grading service achieves another major milestone.
Finest known copy of Action Comics #1 CGC Graded 9.0 sells for record $3.2M on eBay.
Collectibles Authentication Guaranty
Watch a video about the Armstrong Family Collection™, phenomenal memorabilia linked to Neil Armstrong.
Authenticated Stamp Guaranty
ASG provides an accurate, consistent and impartial assessment of a stamp’s authenticity and grade.