Is Ken Griffey Jr. [Borderless Refractor] #M20 worth grading?
Baseball · Baseball Cards 1998 Topps Mystery Finest · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Ken Griffey Jr. [Borderless Refractor] #M20 sells for $449 against $98.12 raw: a $351 spread, 4.6× the ungraded price. Even a PSA 9 ($250) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $98.12
- PSA 10
- $449
- PSA 9
- $250
- Gem premium
- 4.6×
- 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 | $449 | +$326 | +$301 | +$201 |
| PSA 9 | $250 | +$127 | +$102 | +$1.88 |
| PSA 8 | $86.07 | −$37.05 | −$62.05 | −$162 |
Net = sale price − $98.12 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% | $300 | +$152 |
| 50% | $350 | +$201 |
| 75% | $399 | +$251 |
Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.
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 | $584 | best | 55/45 | 70/30 |
| PSA 10 | $449 | −$135 | 55/45 | 75/25 |
| CGC 10 | $269 | −$315 | 55/45 | 75/25 |
| SGC 10 | $269 | −$315 | 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 | $449 | $269 | $584 | $269 | — |
| 9.5 | — | — | — | — | $275 |
| 9 | — | — | — | — | $250 |
| 8 | — | — | — | — | $86.07 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1998 Topps Mystery Finest cards worth checking
Full set checklist →![Chipper Jones [Bordered Refractor] #M2 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/lvoAAeSwkuZp-6VX/s-l500.jpg)
![Ken Griffey Jr. [Bordered] #M20 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/masAAeSwxLNqYrhR/s-l500.jpg)
![Frank Thomas [Bordered Refractor] #M10 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/r4YAAeSwNKlqVZ9w/s-l500.jpg)
![Cal Ripken Jr. [Bordered Refractor] #M16 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/JjAAAeSwgblqYU~B/s-l500.jpg)
![Ken Griffey Jr. [Bordered Refractor] #M20 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/GHQAAeSwKA1qSCdY/s-l500.jpg)
Grading Ken Griffey Jr. [Borderless Refractor] #M20 — FAQ
Is Ken Griffey Jr. [Borderless Refractor] #M20 worth grading?
A PSA 10 Ken Griffey Jr. [Borderless Refractor] #M20 sells for $449 against $98.12 raw: a $351 spread, 4.6× the ungraded price. Even a PSA 9 ($250) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Ken Griffey Jr. [Borderless Refractor] #M20 worth compared with raw?
A PSA 10 Ken Griffey Jr. [Borderless Refractor] #M20 (Baseball Cards 1998 Topps Mystery Finest) sells for about $449 versus $98.12 for a raw near-mint copy — a 4.6× premium as of Jul 11, 2026.
Which grading company is best for Ken Griffey Jr. [Borderless Refractor] #M20?
By resale value, BGS 10 leads at $584, ahead of PSA 10 at $449. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Ken Griffey Jr. [Borderless Refractor] #M20 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.
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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