Corey Koskie [Row 1] #89 Price Guide
Baseball · Baseball Cards 1999 Flair Showcase
Corey Koskie [Row 1] #89 (Baseball Cards 1999 Flair Showcase) is currently worth $1.73 raw (near mint) and $66.70 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.
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Current prices
Raw (ungraded)
| Ungraded | $1.73 |
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 — 39× premium in PSA 10
A PSA 10 Corey Koskie [Row 1] #89 sells for $66.70 against $1.73 raw: a $64.97 spread, 39× the ungraded price. A PSA 9 ($16.59) 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 Corey Koskie [Row 1] #89: fee tiers, best grader, gem-rate math →
Should I pay this?
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More Corey Koskie cards
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Corey Koskie [Row 1] #89 — frequently asked
How much is Corey Koskie [Row 1] #89 (Baseball Cards 1999 Flair Showcase) worth?
As of Sep 4, 2026, Corey Koskie [Row 1] #89 (Baseball Cards 1999 Flair Showcase): an ungraded near-mint copy sells for about $1.73, a PSA 10 sells for about $66.70, a PSA 9 for about $16.59. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Corey Koskie [Row 1] #89 worth?
As of Sep 4, 2026, a PSA 10 (Gem Mint) Corey Koskie [Row 1] #89 (Baseball Cards 1999 Flair Showcase) sells for about $66.70, compared with $1.73 for a raw near-mint copy.
Is Corey Koskie [Row 1] #89 worth grading?
A PSA 10 Corey Koskie [Row 1] #89 sells for $66.70 against $1.73 raw: a $64.97 spread, 39× the ungraded price. A PSA 9 ($16.59) 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.