![Mike Piazza [Borderless Refractor] #M15 Baseball Cards 1998 Topps Mystery Finest trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/4ogAAeSwfVNqcWWL/s-l1600.jpg)
Mike Piazza [Borderless Refractor] #M15 Price Guide
Baseball · Baseball Cards 1998 Topps Mystery Finest · Released 1998
Mike Piazza [Borderless Refractor] #M15 (Baseball Cards 1998 Topps Mystery Finest) is currently worth $11.88 raw (near mint) (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 | $11.88 |
Graded — grade ladder
| Grade | Graded |
|---|---|
| 8 | $59.99 |
| 7 | $14.99 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
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Is it worth grading?
Strong grading candidate — 5.0× premium in Grade 8
A Grade 8 Mike Piazza [Borderless Refractor] #M15 sells for $59.99 against $11.88 raw: a $48.11 spread, 5.0× the ungraded price. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Price alert
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Mike Piazza [Borderless Refractor] #M15 — frequently asked
How much is Mike Piazza [Borderless Refractor] #M15 (Baseball Cards 1998 Topps Mystery Finest) worth?
As of Jul 11, 2026, Mike Piazza [Borderless Refractor] #M15 (Baseball Cards 1998 Topps Mystery Finest): an ungraded near-mint copy sells for about $11.88, a Grade 8 sells for about $59.99. Values come from the PriceCharting price guide and are refreshed weekly.
Is Mike Piazza [Borderless Refractor] #M15 worth grading?
A Grade 8 Mike Piazza [Borderless Refractor] #M15 sells for $59.99 against $11.88 raw: a $48.11 spread, 5.0× the ungraded price. 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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