![Sammy Sosa [Home Run #66] #164 Baseball Cards 1999 Topps Opening Day trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/liwAAeSwimlqazv7/s-l1600.jpg)
Sammy Sosa [Home Run #66] #164 Price Guide
Baseball · Baseball Cards 1999 Topps Opening Day · Released 1999
Sammy Sosa [Home Run #66] #164 (Baseball Cards 1999 Topps Opening Day) is currently worth $3.62 raw (near mint) and $34.17 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 | $3.62 |
Graded — grade ladder
| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $34.17 | $21.00 | $44.00 | $21.00 | — |
| 9.5 | — | — | — | — | $6.00 |
| 9 | — | — | — | — | $5.63 |
Last updated 2026-07-11 · Source: the PriceCharting price guide
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Is it worth grading?
Worth grading only if it gems
A PSA 10 Sammy Sosa [Home Run #66] #164 brings $34.17 versus $3.62 raw — a $30.55 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($5.63) only about breaks even after fees, so the case rests on gemming.
Full grading break-even for Sammy Sosa [Home Run #66] #164: fee tiers, best grader, gem-rate math →
Should I pay this?
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Sammy Sosa [Home Run #66] #164 — frequently asked
How much is Sammy Sosa [Home Run #66] #164 (Baseball Cards 1999 Topps Opening Day) worth?
As of Jul 11, 2026, Sammy Sosa [Home Run #66] #164 (Baseball Cards 1999 Topps Opening Day): an ungraded near-mint copy sells for about $3.62, a PSA 10 sells for about $34.17, a PSA 9 for about $5.63. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Sammy Sosa [Home Run #66] #164 worth?
As of Jul 11, 2026, a PSA 10 (Gem Mint) Sammy Sosa [Home Run #66] #164 (Baseball Cards 1999 Topps Opening Day) sells for about $34.17, compared with $3.62 for a raw near-mint copy.
Is Sammy Sosa [Home Run #66] #164 worth grading?
A PSA 10 Sammy Sosa [Home Run #66] #164 brings $34.17 versus $3.62 raw — a $30.55 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($5.63) only about breaks even after fees, so the case rests on gemming.
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.
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