Ken Griffey Jr. #KG Price Guide
Baseball · Baseball Cards 1998 SP Authentic Chirography · Released 1998
Ken Griffey Jr. #KG (Baseball Cards 1998 SP Authentic Chirography) is currently worth $4,248 raw (near mint) (as of Jul 11, 2026). Values come from the PriceCharting price guide and are refreshed weekly. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
Current prices
Raw (ungraded)
| Ungraded | $4,248 |
Graded — grade ladder
| Grade | Graded |
|---|---|
| 8 | $1,950 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
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Is it worth grading?
Grading rarely pays for this card
Grade 8 copies of Ken Griffey Jr. #KG sell for $1,950, only $0.00 above the $4,248 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.
Full grading break-even for Ken Griffey Jr. #KG: fee tiers, best grader, gem-rate math →
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Ken Griffey Jr. #KG — frequently asked
How much is Ken Griffey Jr. #KG (Baseball Cards 1998 SP Authentic Chirography) worth?
As of Jul 11, 2026, Ken Griffey Jr. #KG (Baseball Cards 1998 SP Authentic Chirography): an ungraded near-mint copy sells for about $4,248, a Grade 8 sells for about $1,950. Values come from the PriceCharting price guide and are refreshed weekly.
Is Ken Griffey Jr. #KG worth grading?
Grade 8 copies of Ken Griffey Jr. #KG sell for $1,950, only $0.00 above the $4,248 raw price — less than an economy-tier grading fee. Keep it raw unless you are grading for the slab itself.
Where do these Baseball card prices come from?
Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.
Is your baseball card centered well enough to grade?
Centering makes or breaks a PSA 10. Scan any card with Midpoint to measure its exact centering, get a grade estimate, and see what your copy is actually worth.
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