Is Thor vs. Surtur #91 worth grading?
Marvel · Marvel 1990 Universe · full price guide →
Strong grading candidate — 16× premium in PSA 10
A PSA 10 Thor vs. Surtur #91 sells for $71.50 against $4.35 raw: a $67.15 spread, 16× the ungraded price. A PSA 9 ($11.93) 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)
- $4.35
- PSA 10
- $71.50
- PSA 9
- $11.93
- Gem premium
- 16×
- 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 | $71.50 | +$42.15 | +$17.15 | −$82.85 |
| PSA 9 | $11.93 | −$17.42 | −$42.42 | −$142 |
| PSA 8 | $0.99 | −$28.36 | −$53.36 | −$153 |
Net = sale price − $4.35 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% | $26.82 | −$27.53 |
| 50% | $41.72 | −$12.63 |
| 75% | $56.61 | +$2.26 |
Break-even gem rate at the standard fee: about 71%. 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 | $93.00 | best | 55/45 | 70/30 |
| PSA 10 | $71.50 | −$21.50 | 55/45 | 75/25 |
| CGC 10 | $43.00 | −$50.00 | 55/45 | 75/25 |
| SGC 10 | $43.00 | −$50.00 | 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 | $71.50 | $43.00 | $93.00 | $43.00 | — |
| 9.5 | — | — | — | — | $13.00 |
| 9 | — | — | — | — | $11.93 |
| 8 | — | — | — | — | $0.99 |
| 7 | — | — | — | — | $1.00 |
Run your own numbers
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Full set checklist →Grading Thor vs. Surtur #91 — FAQ
Is Thor vs. Surtur #91 worth grading?
A PSA 10 Thor vs. Surtur #91 sells for $71.50 against $4.35 raw: a $67.15 spread, 16× the ungraded price. A PSA 9 ($11.93) 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 Thor vs. Surtur #91 worth compared with raw?
A PSA 10 Thor vs. Surtur #91 (Marvel 1990 Universe) sells for about $71.50 versus $4.35 for a raw near-mint copy — a 16× premium as of Aug 15, 2026.
Which grading company is best for Thor vs. Surtur #91?
By resale value, BGS 10 leads at $93.00, ahead of PSA 10 at $71.50. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Thor vs. Surtur #91 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 Thor vs. Surtur #91 break even?
At a standard ~$50 fee, submitting Thor vs. Surtur #91 breaks even when it gems about 71% of the time (a miss assumed to sell at the PSA 9 price of $11.93).
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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