Is Alonzo Mourning #4 worth grading?
Basketball · Basketball Cards 1999 Fleer Force Forceful · full price guide →
Strong grading candidate — 32× premium in PSA 10
A PSA 10 Alonzo Mourning #4 sells for $80.89 against $2.50 raw: a $78.39 spread, 32× the ungraded price. A PSA 9 ($19.22) 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)
- $2.50
- PSA 10
- $80.89
- PSA 9
- $19.22
- Gem premium
- 32×
- 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 | $80.89 | +$53.39 | +$28.39 | −$71.61 |
| PSA 9 | $19.22 | −$8.28 | −$33.28 | −$133 |
| PSA 8 | $9.70 | −$17.80 | −$42.80 | −$143 |
Net = sale price − $2.50 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% | $34.64 | −$17.86 |
| 50% | $50.05 | −$2.45 |
| 75% | $65.47 | +$12.97 |
Break-even gem rate at the standard fee: about 54%. 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 | $105 | best | 55/45 | 70/30 |
| PSA 10 | $80.89 | −$24.11 | 55/45 | 75/25 |
| CGC 10 | $49.00 | −$56.00 | 55/45 | 75/25 |
| SGC 10 | $49.00 | −$56.00 | 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 1999 Fleer Force Forceful cards worth checking
Full set checklist →Grading Alonzo Mourning #4 — FAQ
Is Alonzo Mourning #4 worth grading?
A PSA 10 Alonzo Mourning #4 sells for $80.89 against $2.50 raw: a $78.39 spread, 32× the ungraded price. A PSA 9 ($19.22) 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 Alonzo Mourning #4 worth compared with raw?
A PSA 10 Alonzo Mourning #4 (Basketball Cards 1999 Fleer Force Forceful) sells for about $80.89 versus $2.50 for a raw near-mint copy — a 32× premium as of Sep 4, 2026.
Which grading company is best for Alonzo Mourning #4?
By resale value, BGS 10 leads at $105, ahead of PSA 10 at $80.89. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Alonzo Mourning #4 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 Alonzo Mourning #4 break even?
At a standard ~$50 fee, submitting Alonzo Mourning #4 breaks even when it gems about 54% of the time (a miss assumed to sell at the PSA 9 price of $19.22).
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.
![Allen Iverson [Forcefield] #8 1999 Fleer Force Forceful card](https://i.ebayimg.com/images/g/98IAAeSwvM9qaVC4/s-l500.jpg)