SLABS.
Giovanni #18 Gym Challenge PSA 10

Giovanni #18 — PSA 10

Gym Challenge · 2000

PSA 10 value
$403
PSA's estimate · +4.2% over 30 days
PSA 9
$108
PriceCharting, 2026-10-06
Ungraded
$48.31
PriceCharting, 2026-10-06
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Value by grade

GradePSA populationValue× ungradedSource
PSA 10—$4038.3×PSA's estimate
PSA 9—$1082.2×PriceCharting, 2026-10-06
Ungraded—$48.311.0×PriceCharting, 2026-10-06

Recent PSA 10 sales

DatePrice
2026-09-29$493
2026-08-24$313
2026-06-21$699
2026-05-06$702
2026-03-22$405
2026-02-25$348
2026-02-22$250
2026-02-16$350
2026-02-15$248
2025-12-25$472

Recorded sales of this slab grade, as last read from PriceCharting.

Is it worth grading?

Grading pays off only if the chance of a 10 is high enough to cover the fee and the risk of a 9. Set your own numbers; the prices are filled in from this page.

Example inputs, not a prediction for this card. Everything below a 9 is valued at the ungraded price. Current PSA fees: psacard.com.

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