Should You Grade Professor's Research (Professor Magnolia)?
Sword & Shield · #201
Expected-value figures are estimates based on historical grade distributions and market prices. Not a recommendation. Grading outcomes and market prices are not guaranteed.
Methodology
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Full disclaimer
Estimated grading EV negative
Current grading costs exceed model estimate of PSA 10 premium
Expected Value
Raw price$5.50
Grading cost~$22.00
Blended EV$-10.85
Estimated profit$-16.35
Estimated return-59%
Break-even sell price$-23.52
Profit by Grade
PSA 7
$3.00
$-24.50 (-89%)
PSA 8
$3.51
$-23.99 (-87%)
PSA 9
$13.50
$-14.00 (-51%)
PSA 10
$25.73
$-1.77 (-6%)
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