Chances for Re-grading at SGC
I have almost never gone for a grade review or even a cross-over so I am wondering: Taking a guess, and assuming what seems like a fairly good shot, what percentage of re-grades (in positive direction) do you seem to get at SGC? Is it always more likely if it's a crossover because they don't have to admit an "error"?
And for same reason--is it not wise to submit more than one at time, as they are unlikely to admit more than one error even if you send in a half dozen good candidates?
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