Geoff Zahn #678 Price Guide
Baseball · Baseball Cards 1979 Topps · Released 1979
Geoff Zahn #678 (Baseball Cards 1979 Topps) is currently worth $1.59 raw (near mint) and $73.69 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.
Current prices
Raw (ungraded)
| Ungraded | $1.59 |
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?
Strong grading candidate — 46× premium in PSA 10
A PSA 10 Geoff Zahn #678 sells for $73.69 against $1.59 raw: a $72.10 spread, 46× the ungraded price. A PSA 9 ($14.99) 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 Geoff Zahn #678: fee tiers, best grader, gem-rate math →
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More from 1979 Topps
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Geoff Zahn #678 — frequently asked
How much is Geoff Zahn #678 (Baseball Cards 1979 Topps) worth?
As of Sep 3, 2026, Geoff Zahn #678 (Baseball Cards 1979 Topps): an ungraded near-mint copy sells for about $1.59, a PSA 10 sells for about $73.69, a PSA 9 for about $14.99. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Geoff Zahn #678 worth?
As of Sep 3, 2026, a PSA 10 (Gem Mint) Geoff Zahn #678 (Baseball Cards 1979 Topps) sells for about $73.69, compared with $1.59 for a raw near-mint copy.
Is Geoff Zahn #678 worth grading?
A PSA 10 Geoff Zahn #678 sells for $73.69 against $1.59 raw: a $72.10 spread, 46× the ungraded price. A PSA 9 ($14.99) 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.