![Ken Griffey Jr. [Diamondbacks Inaugural] #321 Baseball Cards 1998 Topps trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/oiAAAeSwroZqQ9lC/s-l1600.jpg)
Ken Griffey Jr. [Diamondbacks Inaugural] #321 Price Guide
Baseball · Baseball Cards 1998 Topps · Released 1998
Ken Griffey Jr. [Diamondbacks Inaugural] #321 (Baseball Cards 1998 Topps) is currently worth $18.00 raw (near mint) and $172 in PSA 10 (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 | $18.00 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $172 | $103 | $224 | $103 | — |
| 9.5 | — | — | — | — | $43.00 |
| 9 | — | — | — | — | $39.21 |
| 8 | — | — | — | — | $11.44 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
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Is it worth grading?
Strong grading candidate — 9.6× premium in PSA 10
A PSA 10 Ken Griffey Jr. [Diamondbacks Inaugural] #321 sells for $172 against $18.00 raw: a $154 spread, 9.6× the ungraded price. A PSA 9 ($39.21) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Ken Griffey Jr. [Diamondbacks Inaugural] #321 — frequently asked
How much is Ken Griffey Jr. [Diamondbacks Inaugural] #321 (Baseball Cards 1998 Topps) worth?
As of Jul 11, 2026, Ken Griffey Jr. [Diamondbacks Inaugural] #321 (Baseball Cards 1998 Topps): an ungraded near-mint copy sells for about $18.00, a PSA 10 sells for about $172, a PSA 9 for about $39.21. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Ken Griffey Jr. [Diamondbacks Inaugural] #321 worth?
As of Jul 11, 2026, a PSA 10 (Gem Mint) Ken Griffey Jr. [Diamondbacks Inaugural] #321 (Baseball Cards 1998 Topps) sells for about $172, compared with $18.00 for a raw near-mint copy.
Is Ken Griffey Jr. [Diamondbacks Inaugural] #321 worth grading?
A PSA 10 Ken Griffey Jr. [Diamondbacks Inaugural] #321 sells for $172 against $18.00 raw: a $154 spread, 9.6× the ungraded price. A PSA 9 ($39.21) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
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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