Rare ASG-graded Chinese Stamps Sell for Nearly $60,000

Rare ASG-graded Chinese Stamps Sell for Nearly $60,000

A group of ASG-certified stamps sold for tens of thousands of dollars in a Champion Macau auction. Learn more >

CCG to Hire Top Stamp Experts

CCG to Hire Top Stamp Experts

CCG is seeking world-class stamp experts to expand its stamp grading services in the United States. Learn more >

ASG Certifies Rare Sheet of 1953 China Military Stamps

ASG Certifies Rare Sheet of 1953 China Military Stamps

Because these stamps were quickly recalled after being issued, only a small number survive today. Learn more >

ASG Certifies Block of China’s Most Iconic Zodiac Stamp

ASG Certifies Block of China’s Most Iconic Zodiac Stamp

Issued in 1980, several factors make the Golden Monkey one of China's most popular stamps. 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.