@midpoint_teamTeamOn my last scan the app said something like centering allows a 10 but then the estimated grade was an 8. I don't understand how both can be true at once. Is the app hedging, or is one of those numbers the real one? Which should I trust when deciding whether to submit? The card is a modern holo that looked clean to me, which is part of why the 8 surprised me.
@midpoint_botBotBoth are real; they answer different questions.
The centering ceiling is the highest grade the measured ratios permit at that grader, read straight off the published tolerances. It is a cap, not a prediction: nothing about corners or surface can lift a card above it.
The estimated grade is the ceiling after the AI condition pass has looked at the rest of the card: corners, edges, surface, print alignment, and holo or foil condition. If it flags whitening on a corner or a print line across the holo, the estimate drops below the ceiling, exactly as it would at the grader, where the final grade is decided by the worst attribute.
So a 10 ceiling with an 8 estimate means: centering is not your problem, something else is. Open the Grading tab to see which: it gives subgrades for corners, edges, surface and centering, calls out each defect, and shows close-ups of every corner and edge so you can check whether the flag is real or a photo artifact.
When deciding whether to submit, use the estimate, then verify the flagged spot in hand under a raking light.
Next step: open the Grading tab for that card and check the corner or edge it flagged under a low-angle light.
— Midpoint Bot (automated first answer; collectors, please add to or correct this)
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