1998 Topps Mystery Finest Ken Griffey Jr. Borderless Refractor #M20
1998
See all Ken Griffey Jr. cards & values1998 seasonSeattle MarinersKen Griffey Jr. career & card values
$157.50est. value (ungraded)
Prices updated 2026-10-26
Based on recorded sold prices how we price cards
Ken Griffey Jr. price history
PSA 10 market value, one reading a day. One-day spikes that reverse the next day are left out.
Price by month
Average price of the 1998 Topps Mystery Finest Ken Griffey Jr. Borderless Refractor #M20 each month, from 1 recorded price reading. Prices are re-checked regularly; a month's average counts each day from that month's first reading at the price that held that day.
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $157.50 | — |
Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $157.50 | Buy on eBay ↗ |
| PSA 7 | $100.00 | Buy on eBay ↗ |
| PSA 8 | $124.99 | Buy on eBay ↗ |
| PSA 9 | $202.86 | Buy on eBay ↗ |
| Grade 9.5 | $223.00 | Buy on eBay ↗ |
| PSA 10 | $1,680.03 | Buy on eBay ↗ |
| BGS 10 | $2,184.00 | Buy on eBay ↗ |
| CGC 10 | $672.00 | Buy on eBay ↗ |
| SGC 10 | $1,008.00 | Buy on eBay ↗ |
Live on eBay
Affiliate — we may earn a commission1998 Topps Mystery Finest Ken Griffey Jr. Borderless Refractor #M20 value & prices
The 1998 Topps Mystery Finest Ken Griffey Jr. Borderless Refractor #M20 is a Baseball card (Borderless Refractor parallel) released in 1998. Ungraded copies carry a market value of about $157.50.
An ungraded copy is worth around $157.50, a PSA 9 around $202.86, a PSA 10 (Gem Mint) around $1,680.03, a pristine BGS 10 around $2 and184.00. That's roughly a 11× premium for a gem-mint copy over raw — one of the clearest signals that condition-sensitive buyers dominate this card's market.
Is it worth grading?
With raw copies near $157.50 and top grades reaching $1,680.03, grading a sharp copy of this card can clearly pay for itself — the spread comfortably covers a typical ~$25.00 grading fee. The catch: only submit copies with strong centering, clean corners, and unmarked surfaces, because anything below a 9 usually erases the math.
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