ASG grading stamps on-site in Hong Kong in May 2020
Authenticated Stamp Guaranty™ (ASG®) will conduct on-site authentication, grading and encapsulation of stamps in Hong Kong in May 2020.
NGC and ASG Grading Breast Cancer Awareness Coin and Stamp Set
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.
PRESS RELEASE: CCG Launches Authenticated Stamp Guaranty (ASG)
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.