Don Mattingly #28 Price Guide
Baseball · Baseball Cards 1993 Upper Deck Diamond Gallery
Don Mattingly #28 (Baseball Cards 1993 Upper Deck Diamond Gallery) is currently worth $1.56 raw (near mint) and $83.84 in PSA 10 (as of Sep 4, 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 | $1.56 |
Graded — grade ladder
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Last updated 2026-09-04 · Source: the PriceCharting price guide
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Is it worth grading?
Strong grading candidate — 54× premium in PSA 10
A PSA 10 Don Mattingly #28 sells for $83.84 against $1.56 raw: a $82.28 spread, 54× the ungraded price. A PSA 9 ($18.91) 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.
Full grading break-even for Don Mattingly #28: fee tiers, best grader, gem-rate math →
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Don Mattingly #28 — frequently asked
How much is Don Mattingly #28 (Baseball Cards 1993 Upper Deck Diamond Gallery) worth?
As of Sep 4, 2026, Don Mattingly #28 (Baseball Cards 1993 Upper Deck Diamond Gallery): an ungraded near-mint copy sells for about $1.56, a PSA 10 sells for about $83.84, a PSA 9 for about $18.91. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Don Mattingly #28 worth?
As of Sep 4, 2026, a PSA 10 (Gem Mint) Don Mattingly #28 (Baseball Cards 1993 Upper Deck Diamond Gallery) sells for about $83.84, compared with $1.56 for a raw near-mint copy.
Is Don Mattingly #28 worth grading?
A PSA 10 Don Mattingly #28 sells for $83.84 against $1.56 raw: a $82.28 spread, 54× the ungraded price. A PSA 9 ($18.91) 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.