Should You Grade Unfair Stamp?
Twilight Masquerade · #165
No
Expected profit: $-27.08 (-74% ROI)
Expected Value
Raw price$14.81
Grading cost~$22.00
Blended EV$-12.27
Expected profit$-27.08
ROI-74%
Break-even sell price$-22.84
Profit by Grade
PSA 8
$4.54
$-32.27 (-88%)
PSA 9
$10.34
$-26.47 (-72%)
PSA 10
$22.12
$-14.69 (-40%)
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