James,
Quick rule of thumb I use when looking at psa's pop. report on Sweet Caporals is to use ratios. For example on the Abbaticchio (blue sleeves) above:
Let's say total Sweet Caporals graded is 160 (which is close) and 80 (or exactly half) have been identified with Factory numbers. I would say it's safe to say each Factory graded total, 460 25 (10 total), 460 30 (58 total), and 460 op (12 total) can be multiplied by 2. So one would expect to see an additional 10 460 fac 25's, 58 more 460 fac 30's, and 24 total 460 over prints when examining the 80 earlier non Factory labeled psa graded cards.
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