1991 Star Diamond Series Ken Griffey Jr. #63
1991
See all Ken Griffey Jr. cards & values1991 seasonSeattle MarinersKen Griffey Jr. career & card values
$11.50est. value (ungraded)
Prices updated 2026-10-22
Based on recorded sold prices how we price cards
Price by month
Average price of the 1991 Star Diamond Series Ken Griffey Jr. #63 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 | $11.50 | — |
Ken Griffey Jr. prices by grade
| Grade | Value | eBay |
|---|---|---|
| Ungraded | $11.50 | Buy on eBay ↗ |
| PSA 8 | $24.55 | Buy on eBay ↗ |
| PSA 9 | $31.60 | Buy on eBay ↗ |
| Grade 9.5 | $35.00 | Buy on eBay ↗ |
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Affiliate — we may earn a commission1991 Star Diamond Series Ken Griffey Jr. #63 value & prices
The 1991 Star Diamond Series Ken Griffey Jr. #63 is a Baseball card released in 1991. Ungraded copies carry a market value of about $11.50.
An ungraded copy is worth around $11.50 and a PSA 9 around $31.60.
Is it worth grading?
The spread between raw ($11.50) and top-graded ($31.60) 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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