1998 Upper Deck Base Set Ken Griffey Jr. Checklist 511-540 #540
1998
See all Ken Griffey Jr. cards & values1998 seasonSeattle MarinersKen Griffey Jr. career & card values
$1.42est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1998 Upper Deck Base Set Ken Griffey Jr. Checklist 511-540 #540 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 | $1.42 | — |
Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $1.42 | Buy on eBay ↗ |
| PSA 7 | $5.99 | Buy on eBay ↗ |
| PSA 8 | $8.87 | Buy on eBay ↗ |
| PSA 9 | $26.81 | Buy on eBay ↗ |
| Grade 9.5 | $30.34 | Buy on eBay ↗ |
| PSA 10 | $49.99 | Buy on eBay ↗ |
| BGS 10 | $65.00 | Buy on eBay ↗ |
| CGC 10 | $30.00 | Buy on eBay ↗ |
| SGC 10 | $30.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission1998 Upper Deck Base Set Ken Griffey Jr. Checklist 511-540 #540 value & prices
The 1998 Upper Deck Base Set Ken Griffey Jr. Checklist 511-540 #540 is a Baseball card (Checklist 511-540 parallel) released in 1998. Ungraded copies carry a market value of about $1.42.
An ungraded copy is worth around $1.42, a PSA 9 around $26.81, a PSA 10 (Gem Mint) around $49.99 and a pristine BGS 10 around $65.00. That's roughly a 35× 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?
The spread between raw ($1.42) and top-graded ($49.99) copies is fairly tight, so grading this card only makes financial sense for truly flawless copies — or for collectors who simply prefer slabbed cards for protection and display.
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