![Tim Duncan [Refractor] #G28 Basketball Cards 1997 Topps Generations trading card — raw and PSA graded price guide](https://i.ebayimg.com/images/g/VxUAAeSw529qVp1V/s-l1600.jpg)
Tim Duncan [Refractor] #G28 Price Guide
Basketball · Basketball Cards 1997 Topps Generations · Released 1997
Tim Duncan [Refractor] #G28 (Basketball Cards 1997 Topps Generations) is currently worth $102 raw (near mint) and $1,089 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 | $102 |
Graded — grade ladder
Swipe the table for the other grading companies →
Last updated 2026-09-04 · Source: the PriceCharting price guide
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Price history
Is it worth grading?
Worth grading — even a PSA 9 beats raw
A PSA 10 Tim Duncan [Refractor] #G28 sells for $1,089 against $102 raw: a $988 spread, 11× the ungraded price. Even a PSA 9 ($143) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Full grading break-even for Tim Duncan [Refractor] #G28: fee tiers, best grader, gem-rate math →
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Tim Duncan [Refractor] #G28 — frequently asked
How much is Tim Duncan [Refractor] #G28 (Basketball Cards 1997 Topps Generations) worth?
As of Sep 4, 2026, Tim Duncan [Refractor] #G28 (Basketball Cards 1997 Topps Generations): an ungraded near-mint copy sells for about $102, a PSA 10 sells for about $1,089, a PSA 9 for about $143. Values come from the PriceCharting price guide and are refreshed weekly.
How much is a PSA 10 Tim Duncan [Refractor] #G28 worth?
As of Sep 4, 2026, a PSA 10 (Gem Mint) Tim Duncan [Refractor] #G28 (Basketball Cards 1997 Topps Generations) sells for about $1,089, compared with $102 for a raw near-mint copy.
Is Tim Duncan [Refractor] #G28 worth grading?
A PSA 10 Tim Duncan [Refractor] #G28 sells for $1,089 against $102 raw: a $988 spread, 11× the ungraded price. Even a PSA 9 ($143) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
Where do these Basketball 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.