Is Aunt May #28 worth grading?
Marvel · Marvel 1990 Universe · full price guide →
Strong grading candidate — 36× premium in PSA 10
A PSA 10 Aunt May #28 sells for $72.56 against $1.99 raw: a $70.57 spread, 36× the ungraded price. A PSA 9 ($14.43) 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)
- $1.99
- PSA 10
- $72.56
- PSA 9
- $14.43
- Gem premium
- 36×
- As of
- Aug 15, 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 | $72.56 | +$45.57 | +$20.57 | −$79.43 |
| PSA 9 | $14.43 | −$12.56 | −$37.56 | −$138 |
| PSA 8 | $9.99 | −$17.00 | −$42.00 | −$142 |
Net = sale price − $1.99 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% | $28.96 | −$23.03 |
| 50% | $43.50 | −$8.49 |
| 75% | $58.03 | +$6.04 |
Break-even gem rate at the standard fee: about 65%. 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 | $94.00 | best | 55/45 | 70/30 |
| CGC 10 | $75.00 | −$19.00 | 55/45 | 75/25 |
| PSA 10 | $72.56 | −$21.44 | 55/45 | 75/25 |
| SGC 10 | $10.50 | −$83.50 | 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 | $72.56 | $75.00 | $94.00 | $10.50 | — |
| 9.5 | — | — | — | — | $21.63 |
| 9 | — | — | — | — | $14.43 |
| 8 | — | — | — | — | $9.99 |
| 7 | — | — | — | — | $4.12 |
Run your own numbers
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Other Marvel 1990 Universe cards worth checking
Full set checklist →Grading Aunt May #28 — FAQ
Is Aunt May #28 worth grading?
A PSA 10 Aunt May #28 sells for $72.56 against $1.99 raw: a $70.57 spread, 36× the ungraded price. A PSA 9 ($14.43) 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 Aunt May #28 worth compared with raw?
A PSA 10 Aunt May #28 (Marvel 1990 Universe) sells for about $72.56 versus $1.99 for a raw near-mint copy — a 36× premium as of Aug 15, 2026.
Which grading company is best for Aunt May #28?
By resale value, BGS 10 leads at $94.00, ahead of CGC 10 at $75.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Aunt May #28 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 Aunt May #28 break even?
At a standard ~$50 fee, submitting Aunt May #28 breaks even when it gems about 65% of the time (a miss assumed to sell at the PSA 9 price of $14.43).
Is your Marvel 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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