1989 Star Griffey Jr Ken Griffey Jr. Mariners Yellow Back #10
1989
See all Ken Griffey Jr. cards & values1989 seasonSeattle MarinersKen Griffey Jr. career & card values
$14.18est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1989 Star Griffey Jr Ken Griffey Jr. Mariners Yellow Back #10 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 | $14.18 | — |
Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $14.18 | Buy on eBay ↗ |
| PSA 7 | $19.95 | Buy on eBay ↗ |
| PSA 8 | $20.23 | Buy on eBay ↗ |
| PSA 9 | $35.00 | Buy on eBay ↗ |
| Grade 9.5 | $225.00 | Buy on eBay ↗ |
| PSA 10 | $410.99 | Buy on eBay ↗ |
| BGS 10 | $534.00 | Buy on eBay ↗ |
| CGC 10 | $247.00 | Buy on eBay ↗ |
| SGC 10 | $247.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission1989 Star Griffey Jr Ken Griffey Jr. Mariners Yellow Back #10 value & prices
The 1989 Star Griffey Jr Ken Griffey Jr. Mariners Yellow Back #10 is a Baseball card (Mariners Yellow Back parallel) released in 1989. Ungraded copies carry a market value of about $14.18.
An ungraded copy is worth around $14.18, a PSA 9 around $35.00, a PSA 10 (Gem Mint) around $410.99 and a pristine BGS 10 around $534.00. That's roughly a 29× 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 $14.18 and top grades reaching $410.99, 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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