CAC approved coins vs. PCGS cert numbers.

It would be interesting to do a statistical analysis of PCGS cert numbers that have been green or gold beaned to establish time periods when graders were more liberal or more conservative with their grading.
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Back in the day, cert numbers were assigned rather randomly, so I don't think it's possible.
Agree with this. Perhaps do this statistical analysis using the slab generation.
Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire
Impossible.
You don't know that all coins were sent to CAC. And you have all the crack outs.
It would be an interesting exercise - there is likely enough data within each of the popular series to have statistically significant results. Investment “quants” who dabble in coins may have already done this.
Even if it were possible, the results would be a major effort and basically worthless. Judge the coin - that is where it all happens. Not the slab, not the label, not the sticker. Cheers, RickO
You would likely find that the older the holder the less likely they are to have CAC. Why? Because anything that was "undergraded" was upgraded and you are left with coins that had maxed out their grade. As a result, it would tell you nothing about the grading standards of the period.
I don’t and wouldn’t worry about this.
Coins have been upgraded and reCACed at the higher grade.
Judge the coin yourself.