Is Tim Duncan [Refractor] #306 worth grading?
Basketball · Basketball Cards 1997 Finest Embossed · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Tim Duncan [Refractor] #306 sells for $1,900 against $359 raw: a $1,541 spread, 5.3× the ungraded price. Even a PSA 9 ($618) 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.
- Raw (NM)
- $359
- PSA 10
- $1,900
- PSA 9
- $618
- Gem premium
- 5.3×
- As of
- Sep 4, 2026
Break-even by outcome and fee
| If it comes back… | Sells for | Economy / bulk (~$25.00) | Standard (~$50.00) | Express (~$150) |
|---|---|---|---|---|
| Gem — PSA 10 | $1,900 | +$1,516 | +$1,491 | +$1,391 |
| PSA 9 | $618 | +$234 | +$209 | +$109 |
| PSA 8 | $347 | −$37.73 | −$62.73 | −$163 |
Net = sale price − $359 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
Expected value — how often does it need to gem?
| Chance it gems | Expected sale | Expected net (standard fee) |
|---|---|---|
| 25% | $938 | +$529 |
| 50% | $1,259 | +$850 |
| 75% | $1,579 | +$1,170 |
Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.
Which grader pays the most — and what a 10 takes
All centering standards →| Grader | 10 sells for | vs best | Front centering for a 10 | Back |
|---|---|---|---|---|
| BGS 10 | $2,470 | best | 55/45 | 70/30 |
| PSA 10 | $1,900 | −$570 | 55/45 | 75/25 |
| CGC 10 | $1,140 | −$1,330 | 55/45 | 75/25 |
| SGC 10 | $1,140 | −$1,330 | 55/45 | 75/25 |
Tolerances are each company's published centering standard for its top grade; surface, corners and edges must also be clean. Centering is the one you can measure yourself before you pay.
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Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 1997 Finest Embossed cards worth checking
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Grading Tim Duncan [Refractor] #306 — FAQ
Is Tim Duncan [Refractor] #306 worth grading?
A PSA 10 Tim Duncan [Refractor] #306 sells for $1,900 against $359 raw: a $1,541 spread, 5.3× the ungraded price. Even a PSA 9 ($618) 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.
How much is a PSA 10 Tim Duncan [Refractor] #306 worth compared with raw?
A PSA 10 Tim Duncan [Refractor] #306 (Basketball Cards 1997 Finest Embossed) sells for about $1,900 versus $359 for a raw near-mint copy — a 5.3× premium as of Sep 4, 2026.
Which grading company is best for Tim Duncan [Refractor] #306?
By resale value, BGS 10 leads at $2,470, ahead of PSA 10 at $1,900. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Tim Duncan [Refractor] #306 need for a BGS 10?
BGS publishes 55/45 front and 70/30 back centering as the tolerance for a 10 (Gem Mint). Off-center copies are capped below the top grade regardless of surface — measure yours before paying the fee.
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