Is Michael Porter Jr. #MPJ worth grading?
Basketball · Basketball Cards 2018 Panini Select Rookie Signatures · full price guide →
Worth grading only if it gems
A PSA 10 Michael Porter Jr. #MPJ brings $50.08 versus $15.60 raw — a $34.48 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($37.00) only about breaks even after fees, so the case rests on gemming.
- Raw (NM)
- $15.60
- PSA 10
- $50.08
- PSA 9
- $37.00
- Gem premium
- 3.2×
- 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 | $50.08 | +$9.48 | −$15.52 | −$116 |
| PSA 9 | $37.00 | −$3.60 | −$28.60 | −$129 |
| PSA 8 | $16.78 | −$23.82 | −$48.82 | −$149 |
Net = sale price − $15.60 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% | $40.27 | −$25.33 |
| 50% | $43.54 | −$22.06 |
| 75% | $46.81 | −$18.79 |
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 | $65.00 | best | 55/45 | 70/30 |
| PSA 10 | $50.08 | −$14.92 | 55/45 | 75/25 |
| CGC 10 | $30.00 | −$35.00 | 55/45 | 75/25 |
| SGC 10 | $30.00 | −$35.00 | 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 →Swipe the table for the other grading companies →
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other 2018 Panini Select Rookie Signatures cards worth checking
Full set checklist →![Jaren Jackson Jr. [Gold] #JJJ 2018 Panini Select Rookie Signatures card](https://i.ebayimg.com/images/g/-D4AAeSwMDlqUEwV/s-l500.jpg)
![Shai Gilgeous Alexander [Gold] #SGA 2018 Panini Select Rookie Signatures card](https://i.ebayimg.com/images/g/hZYAAeSwqExqGdix/s-l500.jpg)
![Shai Gilgeous Alexander [Neon Green] #SGA 2018 Panini Select Rookie Signatures card](https://i.ebayimg.com/images/g/Bd4AAeSwQploP3kI/s-l500.jpg)
![Luka Doncic [Neon Green] #LDC 2018 Panini Select Rookie Signatures card](https://i.ebayimg.com/images/g/UYcAAeSwTrNqIqUj/s-l500.jpg)
Grading Michael Porter Jr. #MPJ — FAQ
Is Michael Porter Jr. #MPJ worth grading?
A PSA 10 Michael Porter Jr. #MPJ brings $50.08 versus $15.60 raw — a $34.48 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($37.00) only about breaks even after fees, so the case rests on gemming.
How much is a PSA 10 Michael Porter Jr. #MPJ worth compared with raw?
A PSA 10 Michael Porter Jr. #MPJ (Basketball Cards 2018 Panini Select Rookie Signatures) sells for about $50.08 versus $15.60 for a raw near-mint copy — a 3.2× premium as of Sep 4, 2026.
Which grading company is best for Michael Porter Jr. #MPJ?
By resale value, BGS 10 leads at $65.00, ahead of PSA 10 at $50.08. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Michael Porter Jr. #MPJ 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.
Best on iPhone & Android
Check your basketball card in the Midpoint app
Scan with your camera to measure centering to the millimeter, get an AI grade with corner and edge close-ups, see what your copy is worth, and track it in your portfolio. Free to start.
