Mark McGwire #TH20 Price Guide
Baseball · Baseball Cards 1999 Topps Gallery Heritage · Released 1999
Mark McGwire #TH20 (Baseball Cards 1999 Topps Gallery Heritage) is currently worth $4.84 raw (near mint) and $112 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 | $4.84 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $112 | $67.00 | $145 | $67.00 | — |
| 9.5 | — | — | — | — | $42.81 |
| 9 | — | — | — | — | $23.25 |
| 8 | — | — | — | — | $12.48 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
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Is it worth grading?
Strong grading candidate — 23× premium in PSA 10
A PSA 10 Mark McGwire #TH20 sells for $112 against $4.84 raw: a $107 spread, 23× the ungraded price. A PSA 9 ($23.25) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Full grading break-even for Mark McGwire #TH20: 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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Mark McGwire #TH20 — frequently asked
How much is Mark McGwire #TH20 (Baseball Cards 1999 Topps Gallery Heritage) worth?
As of Jul 11, 2026, Mark McGwire #TH20 (Baseball Cards 1999 Topps Gallery Heritage): an ungraded near-mint copy sells for about $4.84, a PSA 10 sells for about $112, a PSA 9 for about $23.25. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Mark McGwire #TH20 worth?
As of Jul 11, 2026, a PSA 10 (Gem Mint) Mark McGwire #TH20 (Baseball Cards 1999 Topps Gallery Heritage) sells for about $112, compared with $4.84 for a raw near-mint copy.
Is Mark McGwire #TH20 worth grading?
A PSA 10 Mark McGwire #TH20 sells for $112 against $4.84 raw: a $107 spread, 23× the ungraded price. A PSA 9 ($23.25) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Where do these Baseball 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 baseball 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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