1998 Finest Mystery Frank Thomas, Ken Griffey Jr. #M1
1998
See all Frank Thomas, Ken Griffey Jr. cards & values$11.85est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1998 Finest Mystery Frank Thomas, Ken Griffey Jr. #M1 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 | $11.85 | — |
Frank Thomas, Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $11.85 | Buy on eBay ↗ |
| PSA 8 | $8.50 | Buy on eBay ↗ |
| PSA 9 | $39.62 | Buy on eBay ↗ |
| Grade 9.5 | $44.00 | Buy on eBay ↗ |
| PSA 10 | $999.00 | Buy on eBay ↗ |
| BGS 10 | $1,299.00 | Buy on eBay ↗ |
| CGC 10 | $599.00 | Buy on eBay ↗ |
| SGC 10 | $599.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission1998 Finest Mystery Frank Thomas, Ken Griffey Jr. #M1 value & prices
The 1998 Finest Mystery Frank Thomas, Ken Griffey Jr. #M1 is a Baseball card released in 1998. Ungraded copies carry a market value of about $11.85.
An ungraded copy is worth around $11.85, a PSA 9 around $39.62, a PSA 10 (Gem Mint) around $999.00, a pristine BGS 10 around $1 and299.00. That's roughly a 84× 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 $11.85 and top grades reaching $999.00, 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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