Casey Mize [SSP] #321 Price Guide
Baseball · Baseball Cards 2021 Topps
Casey Mize [SSP] #321 (Baseball Cards 2021 Topps) is currently worth $37.75 raw (near mint) and $73.13 in PSA 10 (as of Sep 3, 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.
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Current prices
Raw (ungraded)
| Ungraded | $37.75 |
Graded — grade ladder
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Last updated 2026-09-03 · Source: the PriceCharting price guide
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Is it worth grading?
Worth grading only if it gems
A PSA 10 Casey Mize [SSP] #321 brings $73.13 versus $37.75 raw — a $35.38 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($34.16) sells for less than raw, so anything short of a 10 loses money.
Full grading break-even for Casey Mize [SSP] #321: fee tiers, best grader, gem-rate math →
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Casey Mize [SSP] #321 — frequently asked
How much is Casey Mize [SSP] #321 (Baseball Cards 2021 Topps) worth?
As of Sep 3, 2026, Casey Mize [SSP] #321 (Baseball Cards 2021 Topps): an ungraded near-mint copy sells for about $37.75, a PSA 10 sells for about $73.13, a PSA 9 for about $34.16. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Casey Mize [SSP] #321 worth?
As of Sep 3, 2026, a PSA 10 (Gem Mint) Casey Mize [SSP] #321 (Baseball Cards 2021 Topps) sells for about $73.13, compared with $37.75 for a raw near-mint copy.
Is Casey Mize [SSP] #321 worth grading?
A PSA 10 Casey Mize [SSP] #321 brings $73.13 versus $37.75 raw — a $35.38 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($34.16) sells for less than raw, so anything short of a 10 loses money.
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.