2008 Spx Ken Griffey Jr. American Hero Ken Griffey Jr. #KG18
2008
See all Ken Griffey Jr. cards & values2008 seasonCincinnati RedsChicago White SoxKen Griffey Jr. career & card values
Common
$4.03est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Card number
#KG18
Year
2008
Price by month
Average price of the 2008 Spx Ken Griffey Jr. American Hero Ken Griffey Jr. #KG18 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.
Recorded high
$4.03
Recorded low
$4.03
| Month | Source | Average | Range |
|---|---|---|---|
| Oct 2026 | Market value | $4.03 | — |
Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $4.03 | Buy on eBay ↗ |
| PSA 8 | $9.53 | Buy on eBay ↗ |
| PSA 9 | $17.10 | Buy on eBay ↗ |
| Grade 9.5 | $29.65 | Buy on eBay ↗ |
| PSA 10 | $57.79 | Buy on eBay ↗ |
| BGS 10 | $75.00 | Buy on eBay ↗ |
| CGC 10 | $35.00 | Buy on eBay ↗ |
| SGC 10 | $35.00 | Buy on eBay ↗ |
Ken Griffey Jr. parallels
3 versions, each priced on its own. Most valuable first.
Live on eBay
Affiliate — we may earn a commission2008 Spx Ken Griffey Jr. American Hero Ken Griffey Jr. #KG18 value & prices
The 2008 Spx Ken Griffey Jr. American Hero Ken Griffey Jr. #KG18 is a Baseball card released in 2008. Ungraded copies carry a market value of about $4.03.
An ungraded copy is worth around $4.03, a PSA 9 around $17.10, a PSA 10 (Gem Mint) around $57.79 and a pristine BGS 10 around $75.00. That's roughly a 14× 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 $4.03 and top grades reaching $57.79, 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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