![Mark McGwire [Refractor] #SCC27 (Baseball Cards 1999 Stadium Club Chrome) — is it worth grading?](https://i.ebayimg.com/images/g/-9gAAeSwflRqXkJ6/s-l1600.jpg)
Is Mark McGwire [Refractor] #SCC27 worth grading?
Baseball · Baseball Cards 1999 Stadium Club Chrome · full price guide →
Strong grading candidate — 7.0× premium in PSA 10
A PSA 10 Mark McGwire [Refractor] #SCC27 sells for $99.99 against $14.33 raw: a $85.66 spread, 7.0× the ungraded price. A PSA 9 ($16.29) 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.
- Raw (NM)
- $14.33
- PSA 10
- $99.99
- PSA 9
- $16.29
- Gem premium
- 7.0×
- As of
- Jul 11, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $99.99 | +$60.66 | +$35.66 | −$64.34 |
| PSA 9 | $16.29 | −$23.04 | −$48.04 | −$148 |
Net = sale price − $14.33 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
Expected value — how often does it need to gem?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $37.21 | −$27.12 |
| 50% | $58.14 | −$6.19 |
| 75% | $79.06 | +$14.73 |
Break-even gem rate at the standard fee: about 57%. Centering is the usual reason a clean copy misses — measure it before you decide.
Which grader pays the most — and what a 10 takes
All centering standards →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $130 | best | 55/45 | 70/30 |
| PSA 10 | $99.99 | −$30.01 | 55/45 | 75/25 |
| CGC 10 | $60.00 | −$70.00 | 55/45 | 75/25 |
| SGC 10 | $60.00 | −$70.00 | 55/45 | 75/25 |
Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $99.99 | $60.00 | $130 | $60.00 | — |
| 9.5 | — | — | — | — | $18.00 |
| 9 | — | — | — | — | $16.29 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1999 Stadium Club Chrome cards worth checking
Full set checklist →
![Vladimir Guerrero [Refractor] #SCC28 1999 Stadium Club Chrome card](https://i.ebayimg.com/images/g/72EAAeSwUQ1n1jr-/s-l500.jpg)
![Manny Ramirez [Refractor] #SCC11 1999 Stadium Club Chrome card](https://i.ebayimg.com/images/g/QvcAAeSwe41qXZWt/s-l500.jpg)
![Chipper Jones [Refractor] #SCC22 1999 Stadium Club Chrome card](https://i.ebayimg.com/images/g/W4kAAeSwAY9qWlIi/s-l500.jpg)
![Ken Griffey Jr. [Refractor] #SCC20 1999 Stadium Club Chrome card](https://i.ebayimg.com/images/g/rqoAAeSwBDppreCS/s-l500.jpg)
Grading Mark McGwire [Refractor] #SCC27 — FAQ
Is Mark McGwire [Refractor] #SCC27 worth grading?
A PSA 10 Mark McGwire [Refractor] #SCC27 sells for $99.99 against $14.33 raw: a $85.66 spread, 7.0× the ungraded price. A PSA 9 ($16.29) 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.
How much is a PSA 10 Mark McGwire [Refractor] #SCC27 worth compared with raw?
A PSA 10 Mark McGwire [Refractor] #SCC27 (Baseball Cards 1999 Stadium Club Chrome) sells for about $99.99 versus $14.33 for a raw near-mint copy — a 7.0× premium as of Jul 11, 2026.
Which grading company is best for Mark McGwire [Refractor] #SCC27?
By resale value, BGS 10 leads at $130, ahead of PSA 10 at $99.99. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Mark McGwire [Refractor] #SCC27 need for a BGS 10?
BGS publishes 55/45 front and 70/30 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.
What gem rate makes grading Mark McGwire [Refractor] #SCC27 break even?
At a standard ~$50 fee, submitting Mark McGwire [Refractor] #SCC27 breaks even when it gems about 57% of the time (a miss assumed to sell at the PSA 9 price of $16.29).
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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