Is Martina Hingis [Series D] #4D worth grading?
Tennis · Tennis Cards 2003 NetPro International Series Court Authentic · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Martina Hingis [Series D] #4D sells for $314 against $20.70 raw: a $293 spread, 15× the ungraded price. Even a PSA 9 ($66.57) 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)
- $20.70
- PSA 10
- $314
- PSA 9
- $66.57
- Gem premium
- 15×
- 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 | $314 | +$268 | +$243 | +$143 |
| PSA 9 | $66.57 | +$20.87 | −$4.13 | −$104 |
| PSA 8 | $36.31 | −$9.39 | −$34.39 | −$134 |
Net = sale price − $20.70 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% | $128 | +$57.73 |
| 50% | $190 | +$120 |
| 75% | $252 | +$181 |
Break-even gem rate at the standard fee: about 2%. Centering is the usual reason a clean copy misses — measure it before you decide.
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 | $408 | best | 55/45 | 70/30 |
| PSA 10 | $314 | −$94.00 | 55/45 | 75/25 |
| CGC 10 | $188 | −$220 | 55/45 | 75/25 |
| SGC 10 | $188 | −$220 | 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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Grading Martina Hingis [Series D] #4D — FAQ
Is Martina Hingis [Series D] #4D worth grading?
A PSA 10 Martina Hingis [Series D] #4D sells for $314 against $20.70 raw: a $293 spread, 15× the ungraded price. Even a PSA 9 ($66.57) 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 Martina Hingis [Series D] #4D worth compared with raw?
A PSA 10 Martina Hingis [Series D] #4D (Tennis Cards 2003 NetPro International Series Court Authentic) sells for about $314 versus $20.70 for a raw near-mint copy — a 15× premium as of Sep 4, 2026.
Which grading company is best for Martina Hingis [Series D] #4D?
By resale value, BGS 10 leads at $408, ahead of PSA 10 at $314. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Martina Hingis [Series D] #4D 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.
What gem rate makes grading Martina Hingis [Series D] #4D break even?
At a standard ~$50 fee, submitting Martina Hingis [Series D] #4D breaks even when it gems about 2% of the time (a miss assumed to sell at the PSA 9 price of $66.57).
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