Is Michael Porter Jr. [Groove] #55 worth grading?
Basketball · Basketball Cards 2020 Panini Revolution · full price guide →
Worth grading only if it gems
A PSA 10 Michael Porter Jr. [Groove] #55 brings $28.19 versus $2.22 raw — a $25.97 spread that covers an economy-tier ~$25 grading fee. Without PSA 9 sales on record, budget for the fee being lost on a near-miss.
- Raw (NM)
- $2.22
- PSA 10
- $28.19
- Gem premium
- 13×
- As of
- Sep 3, 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 | $28.19 | +$0.97 | −$24.03 | −$124 |
Net = sale price − $2.22 raw value − fee. Fee tiers are illustrative; plug your grader's current price into the calculator below.
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 | $37.00 | best | 55/45 | 70/30 |
| PSA 10 | $28.19 | −$8.81 | 55/45 | 75/25 |
| CGC 10 | $17.00 | −$20.00 | 55/45 | 75/25 |
| SGC 10 | $17.00 | −$20.00 | 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 →
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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. [Groove] #55 — FAQ
Is Michael Porter Jr. [Groove] #55 worth grading?
A PSA 10 Michael Porter Jr. [Groove] #55 brings $28.19 versus $2.22 raw — a $25.97 spread that covers an economy-tier ~$25 grading fee. Without PSA 9 sales on record, budget for the fee being lost on a near-miss.
How much is a PSA 10 Michael Porter Jr. [Groove] #55 worth compared with raw?
A PSA 10 Michael Porter Jr. [Groove] #55 (Basketball Cards 2020 Panini Revolution) sells for about $28.19 versus $2.22 for a raw near-mint copy — a 13× premium as of Sep 3, 2026.
Which grading company is best for Michael Porter Jr. [Groove] #55?
By resale value, BGS 10 leads at $37.00, ahead of PSA 10 at $28.19. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Michael Porter Jr. [Groove] #55 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.
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