Is Michael Porter Jr. #73 worth grading?
Basketball · Basketball Cards 2018 Panini Prizm Mosaic · full price guide →
Grading rarely pays for this card
PSA 10 copies of Michael Porter Jr. #73 sell for $10.64, only $6.84 above the $3.80 raw price — less than an economy-tier grading fee. A PSA 9 ($9.00) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
- Raw (NM)
- $3.80
- PSA 10
- $10.64
- PSA 9
- $9.00
- Gem premium
- 2.8×
- 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 | $10.64 | −$18.16 | −$43.16 | −$143 |
| PSA 9 | $9.00 | −$19.80 | −$44.80 | −$145 |
| PSA 8 | $7.92 | −$20.88 | −$45.88 | −$146 |
Net = sale price − $3.80 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% | $9.41 | −$44.39 |
| 50% | $9.82 | −$43.98 |
| 75% | $10.23 | −$43.57 |
At the standard fee this submission does not break even at any realistic gem rate unless the miss lands above the 9 price.
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 | $14.00 | best | 55/45 | 70/30 |
| PSA 10 | $10.64 | −$3.36 | 55/45 | 75/25 |
| CGC 10 | $6.00 | −$8.00 | 55/45 | 75/25 |
| SGC 10 | $6.00 | −$8.00 | 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 | $10.64 | $6.00 | $14.00 | $6.00 | — |
| 9.5 | — | — | — | — | $10.00 |
| 9 | — | — | — | — | $9.00 |
| 8 | — | — | — | — | $7.92 |
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 Michael Porter Jr. #73 — FAQ
Is Michael Porter Jr. #73 worth grading?
PSA 10 copies of Michael Porter Jr. #73 sell for $10.64, only $6.84 above the $3.80 raw price — less than an economy-tier grading fee. A PSA 9 ($9.00) only about breaks even after fees, so the case rests on gemming. Keep it raw unless you are grading for the slab itself.
How much is a PSA 10 Michael Porter Jr. #73 worth compared with raw?
A PSA 10 Michael Porter Jr. #73 (Basketball Cards 2018 Panini Prizm Mosaic) sells for about $10.64 versus $3.80 for a raw near-mint copy — a 2.8× premium as of Jul 11, 2026.
Which grading company is best for Michael Porter Jr. #73?
By resale value, BGS 10 leads at $14.00, ahead of PSA 10 at $10.64. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Michael Porter Jr. #73 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 basketball 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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