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Market prices
Grading expected value
Worth grading
Expected profit: $34.83 (+110% ROI)
PSA 10 Chance
91.4%
$70.00 per PSA 10
PSA 9 Chance
5.7%
$35.00 per PSA 9
Grading cost
Based on 35 graded samples. PSA 9 ≈ 50% of PSA 10, PSA 8 ≈ 25%. Actual results may vary.
PSA population
View on PSA| Grade | Population | % of Total |
|---|---|---|
| PSA 10 | 32 | 91.4% |
| PSA 9 | 2 | 5.7% |
| PSA 8 | 1 | 2.9% |
| Total | 35 | 100% |











