Our multi-patented system, TAG (Technical Authentication & Grading), is an accurate, consistent, and reproducible card grading technology. 

TAG has been awarded 4 patents covering 134 claims and counting. (#9767163, #10146841, #10445330, #10459931)

TAG is the industry’s never-before available solution to the numerous inconsistencies that result from subjective grading practices existing in the market today. 

It is our mission to use innovation, to apply technologies, and to create for each collector: transparency, accuracy, and consistency for every card grade.


Technical Authentication & Grading (TAG)

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