![Mike Schmidt [Diamond Kings Steel] #23 Baseball Cards 1984 Donruss trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/gMoAAeSwS89qHnOc/s-l1600.jpg)
Mike Schmidt [Diamond Kings Steel] #23 Price Guide
Baseball · Baseball Cards 1984 Donruss · Released 1984
Mike Schmidt [Diamond Kings Steel] #23 (Baseball Cards 1984 Donruss) is currently worth $2.85 raw (near mint) and $300 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 | $2.85 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $300 | $180 | $390 | $180 | — |
| 9.5 | — | — | — | — | $70.43 |
| 9 | — | — | — | — | $27.12 |
| 8 | — | — | — | — | $12.50 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
Shop this card on eBay ↗As an eBay Partner, Midpoint may earn commission from qualifying purchases.
Is it worth grading?
Strong grading candidate — 105× premium in PSA 10
A PSA 10 Mike Schmidt [Diamond Kings Steel] #23 sells for $300 against $2.85 raw: a $297 spread, 105× the ungraded price. A PSA 9 ($27.12) 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.
More from 1984 Donruss
Full set checklist →More Mike Schmidt cards
All Mike Schmidt cards →



Price alert
Watching this card? Set a line and Midpoint emails you the day the market crosses it — waiting to buy the dip or sell the spike.
Mike Schmidt [Diamond Kings Steel] #23 — frequently asked
How much is Mike Schmidt [Diamond Kings Steel] #23 (Baseball Cards 1984 Donruss) worth?
As of Jul 11, 2026, Mike Schmidt [Diamond Kings Steel] #23 (Baseball Cards 1984 Donruss): an ungraded near-mint copy sells for about $2.85, a PSA 10 sells for about $300, a PSA 9 for about $27.12. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Mike Schmidt [Diamond Kings Steel] #23 worth?
As of Jul 11, 2026, a PSA 10 (Gem Mint) Mike Schmidt [Diamond Kings Steel] #23 (Baseball Cards 1984 Donruss) sells for about $300, compared with $2.85 for a raw near-mint copy.
Is Mike Schmidt [Diamond Kings Steel] #23 worth grading?
A PSA 10 Mike Schmidt [Diamond Kings Steel] #23 sells for $300 against $2.85 raw: a $297 spread, 105× the ungraded price. A PSA 9 ($27.12) 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.
Check my card free




