Is Naomi Osaka [Prism Refractor] #170 worth grading?
Tennis · Tennis Cards 2024 Topps Chrome · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Naomi Osaka [Prism Refractor] #170 sells for $330 against $1.05 raw: a $329 spread, 314× the ungraded price. Even a PSA 9 ($275) 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)
- $1.05
- PSA 10
- $330
- PSA 9
- $275
- Gem premium
- 314×
- As of
- Jul 11, 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 | $330 | +$304 | +$279 | +$179 |
| PSA 9 | $275 | +$249 | +$224 | +$124 |
| PSA 8 | $250 | +$224 | +$199 | +$98.94 |
Net = sale price − $1.05 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% | $289 | +$238 |
| 50% | $303 | +$251 |
| 75% | $316 | +$265 |
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 | $429 | best | 55/45 | 70/30 |
| PSA 10 | $330 | −$99.00 | 55/45 | 75/25 |
| CGC 10 | $198 | −$231 | 55/45 | 75/25 |
| SGC 10 | $198 | −$231 | 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.
Full grade ladder
Raw conditions & history →| Grade | PSA | CGC | BGS | SGC | Graded |
|---|---|---|---|---|---|
| 10 | $330 | $198 | $429 | $198 | — |
| 9.5 | — | — | — | — | $303 |
| 9 | — | — | — | — | $275 |
| 8 | — | — | — | — | $250 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2024 Topps Chrome cards worth checking
Full set checklist →![Novak Djokovic [Prism Refractor] #1 2024 Topps Chrome card](https://i.ebayimg.com/images/g/oG0AAeSwhHJp3YHH/s-l500.jpg)
![Carlos Alcaraz [Gold Sapphire] #50 2024 Topps Chrome card](https://i.ebayimg.com/images/g/mXoAAeSwEZ9olWYm/s-l500.jpg)
![Carlos Alcaraz [Orange Sapphire] #50 2024 Topps Chrome card](https://i.ebayimg.com/images/g/AmoAAOSwAUZnXj6p/s-l500.jpg)
Grading Naomi Osaka [Prism Refractor] #170 — FAQ
Is Naomi Osaka [Prism Refractor] #170 worth grading?
A PSA 10 Naomi Osaka [Prism Refractor] #170 sells for $330 against $1.05 raw: a $329 spread, 314× the ungraded price. Even a PSA 9 ($275) 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 Naomi Osaka [Prism Refractor] #170 worth compared with raw?
A PSA 10 Naomi Osaka [Prism Refractor] #170 (Tennis Cards 2024 Topps Chrome) sells for about $330 versus $1.05 for a raw near-mint copy — a 314× premium as of Jul 11, 2026.
Which grading company is best for Naomi Osaka [Prism Refractor] #170?
By resale value, BGS 10 leads at $429, ahead of PSA 10 at $330. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Naomi Osaka [Prism Refractor] #170 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.
Is your tennis 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.
Check my card free