Should You Grade Mewtwo?
Wizards Black Star Promos · #12
No
Expected profit: $-11.98 (-12% ROI)
Expected Value
Raw price$81.47
Grading cost~$22.00
Blended EV$69.49
Expected profit$-11.98
ROI-12%
Break-even sell price$91.08
Profit by Grade
PSA 6
$67.28
$-36.19 (-35%)
PSA 7
$107.04
+$3.57 (3%)
PSA 8
$133.96
+$30.49 (29%)
PSA 9
$148.42
+$44.95 (43%)
PSA 10
$483.95
+$380.48 (368%)
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