ASG Enhances Grading Scale by Adding ASG VF/XF 88 Grade

ASG Enhances Grading Scale by Adding ASG VF/XF 88 Grade

The new ASG VF/XF 88 grade further differentiates stamps near the top of the ASG grading scale. Learn more >

ASG Celebrates 1 Million Stamps Graded

ASG Celebrates 1 Million Stamps Graded

The third-party certification service is brining greater security to the philatelic marketplace. Learn more >

ASG-certified Galloping Horses Stamp Sees Strong Finish at Auction

ASG-certified Galloping Horses Stamp Sees Strong Finish at Auction

The sheet was in featured in a Spink auction which included dozens of ASG-graded Chinese stamps. Learn more >

ASG Certifies Two Rare 1897 Red Revenue Stamps

ASG Certifies Two Rare 1897 Red Revenue Stamps

The high-grade examples of this stamp are among the rarer collectibles in Chinese philately. Learn more >

Learn About the ASG Grading Scale

Learn About the ASG Grading Scale

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

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

Verify ASG Certification

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What is ASG Certification Verification?

This tool can help you to verify that your ASG holder is genuine and has not been tampered with. It can also be a useful starting point to research your ASG-certified stamp.

Instructions

Enter a stamp's ASG certification number (circled in the image) to confirm its description and grade in ASG's database and, if available, view the images of the stamp taken by ASG.