The World's Leading Collectibles Services Companies
The CCG companies provide expert services that add value and liquidity to a wide variety of collectibles.
NGC Certifies Pattern Coins from the Charles E. Barber Estate
Charles Barber and his father William both served as US Mint Chief Engraver.
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.