Isiah Thomas #88 Price Guide
Basketball · Basketball Cards 1991 Skybox · Released 1991
Isiah Thomas #88 (Basketball Cards 1991 Skybox) is currently worth $1.40 raw (near mint) and $23.88 in PSA 10 (as of Jul 11, 2026). Values come from the PriceCharting price guide and are refreshed weekly. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
Current prices
Raw (ungraded)
| Ungraded | $1.40 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $23.88 | $14.00 | $31.00 | $14.00 | — |
| 9.5 | — | — | — | — | $23.00 |
| 9 | — | — | — | — | $13.25 |
| 8 | — | — | — | — | $9.23 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
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Is it worth grading?
Grading rarely pays for this card
PSA 10 copies of Isiah Thomas #88 sell for $23.88, only $22.48 above the $1.40 raw price — less than an economy-tier grading fee. A PSA 9 ($13.25) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
Full grading break-even for Isiah Thomas #88: fee tiers, best grader, gem-rate math →
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Isiah Thomas #88 — frequently asked
How much is Isiah Thomas #88 (Basketball Cards 1991 Skybox) worth?
As of Jul 11, 2026, Isiah Thomas #88 (Basketball Cards 1991 Skybox): an ungraded near-mint copy sells for about $1.40, a PSA 10 sells for about $23.88, a PSA 9 for about $13.25. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Isiah Thomas #88 worth?
As of Jul 11, 2026, a PSA 10 (Gem Mint) Isiah Thomas #88 (Basketball Cards 1991 Skybox) sells for about $23.88, compared with $1.40 for a raw near-mint copy.
Is Isiah Thomas #88 worth grading?
PSA 10 copies of Isiah Thomas #88 sell for $23.88, only $22.48 above the $1.40 raw price — less than an economy-tier grading fee. A PSA 9 ($13.25) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
Where do these Basketball card prices come from?
Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.
Is your basketball card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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