![Floyd Mayweather Jr. [Prism Refractor] #33 (Boxing Cards 2024 Topps Chrome) — is it worth grading?](https://i.ebayimg.com/images/g/L3UAAeSwmkpqPsK0/s-l1600.jpg)
Is Floyd Mayweather Jr. [Prism Refractor] #33 worth grading?
Boxing · Boxing Cards 2024 Topps Chrome · full price guide →
Strong grading candidate — 13× premium in PSA 10
A PSA 10 Floyd Mayweather Jr. [Prism Refractor] #33 sells for $90.00 against $6.96 raw: a $83.04 spread, 13× the ungraded price. A PSA 9 ($30.00) 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)
- $6.96
- PSA 10
- $90.00
- PSA 9
- $30.00
- Gem premium
- 13×
- 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 | $90.00 | +$58.04 | +$33.04 | −$66.96 |
| PSA 9 | $30.00 | −$1.96 | −$26.96 | −$127 |
| PSA 8 | $11.17 | −$20.79 | −$45.79 | −$146 |
Net = sale price − $6.96 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% | $45.00 | −$11.96 |
| 50% | $60.00 | +$3.04 |
| 75% | $75.00 | +$18.04 |
Break-even gem rate at the standard fee: about 45%. 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 | $117 | best | 55/45 | 70/30 |
| PSA 10 | $90.00 | −$27.00 | 55/45 | 75/25 |
| CGC 10 | $54.00 | −$63.00 | 55/45 | 75/25 |
| SGC 10 | $54.00 | −$63.00 | 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 | $90.00 | $54.00 | $117 | $54.00 | — |
| 9.5 | — | — | — | — | $39.79 |
| 9 | — | — | — | — | $30.00 |
| 8 | — | — | — | — | $11.17 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Floyd Mayweather Jr. [Prism Refractor] #33 — FAQ
Is Floyd Mayweather Jr. [Prism Refractor] #33 worth grading?
A PSA 10 Floyd Mayweather Jr. [Prism Refractor] #33 sells for $90.00 against $6.96 raw: a $83.04 spread, 13× the ungraded price. A PSA 9 ($30.00) 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 Floyd Mayweather Jr. [Prism Refractor] #33 worth compared with raw?
A PSA 10 Floyd Mayweather Jr. [Prism Refractor] #33 (Boxing Cards 2024 Topps Chrome) sells for about $90.00 versus $6.96 for a raw near-mint copy — a 13× premium as of Jul 11, 2026.
Which grading company is best for Floyd Mayweather Jr. [Prism Refractor] #33?
By resale value, BGS 10 leads at $117, ahead of PSA 10 at $90.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Floyd Mayweather Jr. [Prism Refractor] #33 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 Floyd Mayweather Jr. [Prism Refractor] #33 break even?
At a standard ~$50 fee, submitting Floyd Mayweather Jr. [Prism Refractor] #33 breaks even when it gems about 45% of the time (a miss assumed to sell at the PSA 9 price of $30.00).
Is your boxing 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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