ASG Grading On-site in Hong Kong in May 2020

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An expert and impartial stamp grading service from the people behind NGC, PMG and CGC. Subscribe for updates >

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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