![Mike Piazza [Borderless Refractor] #M15 (Baseball Cards 1998 Topps Mystery Finest) — is it worth grading?](https://i.ebayimg.com/images/g/4ogAAeSwfVNqcWWL/s-l1600.jpg)
Is Mike Piazza [Borderless Refractor] #M15 worth grading?
Baseball · Baseball Cards 1998 Topps Mystery Finest · full price guide →
Strong grading candidate — 4.8× premium in Grade 8
A Grade 8 Mike Piazza [Borderless Refractor] #M15 sells for $59.99 against $12.54 raw: a $47.45 spread, 4.8× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $12.54
- Grade 8
- $59.99
- Gem premium
- 4.8×
- As of
- Sep 4, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — Grade 8 | $59.99 | +$22.45 | −$2.55 | −$103 |
| PSA 8 | $59.99 | +$22.45 | −$2.55 | −$103 |
Net = sale price − $12.54 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
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Other 1998 Topps Mystery Finest cards worth checking
Full set checklist →![Cal Ripken Jr. [Bordered Refractor] #M16 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/JjAAAeSwgblqYU~B/s-l500.jpg)
![Barry Bonds [Borderless Refractor] #M19 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/vTQAAeSw92lqicsC/s-l500.jpg)
![Tony Gwynn [Bordered Refractor] #M9 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/-kgAAeSw23FqRwe1/s-l500.jpg)
![Chipper Jones [Bordered Refractor] #M2 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/lvoAAeSwkuZp-6VX/s-l500.jpg)
![Frank Thomas [Bordered Refractor] #M10 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/r4YAAeSwNKlqVZ9w/s-l500.jpg)
![Ken Griffey Jr. [Borderless] #M20 1998 Topps Mystery Finest card](https://i.ebayimg.com/images/g/NTkAAeSwShxqqXbF/s-l500.jpg)
Grading Mike Piazza [Borderless Refractor] #M15 — FAQ
Is Mike Piazza [Borderless Refractor] #M15 worth grading?
A Grade 8 Mike Piazza [Borderless Refractor] #M15 sells for $59.99 against $12.54 raw: a $47.45 spread, 4.8× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
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