An expert and impartial stamp grading service from the people behind NGC, PMG and CGC. Subscribe for updates >
How to Submit
Learn how to submit stamps to ASG for expert authentications and grading.
Learn more >The May event has been canceled due to the ongoing coronavirus situation. Learn more >
The well-known numismatic company in Selangor, Malaysia, has been an Authorized Dealer since 2016. Learn more >
Behind this famous Chinese Stamp, there is a hidden story about an artist and his monkey. Learn more >
Learn how to submit stamps to ASG for expert authentications and grading.
Learn more >