Is there a wrath to the math about the numbers on Cert stickers and age of authentication date?
What stickers are you talking about? PSA labels?
I’m not sure if this is what you’re asking, but I can tell you you can’t just compare the cert numbers and tell if one is graded earlier than the other.
Here’s an example of cards sending in different orders with both orders under the exact same service tier, but cards sent later got the smaller cert number.
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I believe the cert number is determined when you fill out the form as opposed to when it’s actually received.
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