Learn about the ASG Grading Scale

ASG grades stamps according to an internationally accepted grading scale of 1 to 100. Learn more >

NGC, NCS, PMG and ASG Appoint SP Advance an Official Submission Center

The well-known numismatic company in Selangor, Malaysia, has been an Authorized Dealer since 2016. Learn more >

ASG Grades 1980 China 8 Fen Year of the Monkey Stamps

Behind this famous Chinese Stamp, there is a hidden story about an artist and his monkey. Learn more >

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Stamps We Grade

View the full listing of stamps we grade.

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How to Submit

Learn how to submit stamps to ASG for expert authentications and grading.

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Services & Fees

View the grading tiers and services available for stamps.

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