1998 SP Authentic Chirography Ken Griffey Jr. #KG
1998
See all Ken Griffey Jr. cards & values1998 seasonSeattle MarinersKen Griffey Jr. career & card values
$6,490.00est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1998 SP Authentic Chirography Ken Griffey Jr. #KG 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 | $6,490.00 | — |
Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $6,490.00 | Buy on eBay ↗ |
| PSA 8 | $1,950.00 | Buy on eBay ↗ |
| PSA 9 | $8,540.00 | Buy on eBay ↗ |
| Grade 9.5 | $9,394.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission1998 SP Authentic Chirography Ken Griffey Jr. #KG value & prices
The 1998 SP Authentic Chirography Ken Griffey Jr. #KG is a Baseball card released in 1998. Ungraded copies carry a market value of about $6,490.00.
An ungraded copy is worth around $6,490.00, a PSA 9 around $8 and540.00.
Is it worth grading?
With raw copies near $6,490.00 and top grades reaching $8,540.00, 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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