A grading company Project

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Posted By: Ryan Christoff

SGC does not randomize their cert numbers. The number is based on your invoice number. For example, if your invoice # is 8153531, your cert numbers for the cards on that invoice will be:

8153531-001
8153531-002
8153531-003

and so on. If it begins with an 8 as the example I just gave, it usually means the invoice was filled out online. If you actually filled out a hard copy, the numbers will usually begin with a 1.

Because their cert numbers are based on invoice numbers and not chronologically for when the cards were graded, you will be unable to accurately determine when a card was graded based on the cert number.

You'll probably be able to make decent estimations, but I can tell you that I've filled out blank invoices that were over 2 years old. I keep a few blank invoices on hand and usually throw away the new ones they send out with each order unless I run out.

Hope this helps,

-Ryan