SLABS.
Mewtwo #XY100 XY Black Star Promos PSA 10

Mewtwo #XY100 — PSA 10

XY Black Star Promos · 2013

PSA 10 value
$364
PSA's estimate · -0.5% over 30 days
PSA 9
$385
PriceCharting, 2026-10-07
Ungraded
$21.04
PriceCharting, 2026-10-07
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Value by grade

GradePSA populationValue× ungradedSource
PSA 10—$36417.3×PSA's estimate
PSA 9—$38518.3×PriceCharting, 2026-10-07
Ungraded—$21.041.0×PriceCharting, 2026-10-07

Recent PSA 10 sales

DatePrice
2021-10-22$250

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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