Is Martina Navratilova #SS-MNA worth grading?
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Strong grading candidate — 4.5× premium in PSA 10
A PSA 10 Martina Navratilova #SS-MNA sells for $224 against $50.00 raw: a $174 spread, 4.5× the ungraded price. A PSA 9 ($56.55) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $50.00
- PSA 10
- $224
- PSA 9
- $56.55
- Gem premium
- 4.5×
- 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 | $224 | +$149 | +$124 | +$23.51 |
| PSA 9 | $56.55 | −$18.45 | −$43.45 | −$143 |
| PSA 8 | $48.62 | −$26.38 | −$51.38 | −$151 |
Net = sale price − $50.00 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% | $98.29 | −$1.71 |
| 50% | $140 | +$40.03 |
| 75% | $182 | +$81.77 |
Break-even gem rate at the standard fee: about 26%. 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 | $291 | best | 55/45 | 70/30 |
| PSA 10 | $224 | −$67.49 | 55/45 | 75/25 |
| CGC 10 | $134 | −$157 | 55/45 | 75/25 |
| SGC 10 | $134 | −$157 | 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 | $224 | $134 | $291 | $134 | — |
| 9.5 | — | — | — | — | $156 |
| 9 | — | — | — | — | $56.55 |
| 8 | — | — | — | — | $48.62 |
Run your own numbers
Should I pay this?
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Grading Martina Navratilova #SS-MNA — FAQ
Is Martina Navratilova #SS-MNA worth grading?
A PSA 10 Martina Navratilova #SS-MNA sells for $224 against $50.00 raw: a $174 spread, 4.5× the ungraded price. A PSA 9 ($56.55) only about breaks even after fees, so the case rests on gemming. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Martina Navratilova #SS-MNA worth compared with raw?
A PSA 10 Martina Navratilova #SS-MNA (Tennis Cards 2024 Topps Royalty Superior Signature) sells for about $224 versus $50.00 for a raw near-mint copy — a 4.5× premium as of Jul 11, 2026.
Which grading company is best for Martina Navratilova #SS-MNA?
By resale value, BGS 10 leads at $291, ahead of PSA 10 at $224. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Martina Navratilova #SS-MNA 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 Navratilova #SS-MNA break even?
At a standard ~$50 fee, submitting Martina Navratilova #SS-MNA breaks even when it gems about 26% of the time (a miss assumed to sell at the PSA 9 price of $56.55).
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.
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