Is Underground Expedition worth grading?
Pokémon · Skyridge · 140/144 · full price guide →
Worth grading only if it gems
A PSA 10 Underground Expedition brings $47.18 versus $20.45 raw — a $26.73 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($16.97) sells for less than raw, so anything short of a 10 loses money.
- Raw (NM)
- $20.45
- PSA 10
- $47.18
- PSA 9
- $16.97
- Gem premium
- 2.3×
- As of
- Aug 10, 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 | $47.18 | +$1.73 | −$23.27 | −$123 |
| PSA 9 | $16.97 | −$28.48 | −$53.48 | −$153 |
| PSA 8 | $35.82 | −$9.63 | −$34.63 | −$135 |
Net = sale price − $20.45 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% | $24.52 | −$45.93 |
| 50% | $32.08 | −$38.38 |
| 75% | $39.63 | −$30.82 |
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 |
|---|---|---|---|---|
| PSA 10 | $47.18 | best | 55/45 | 75/25 |
| CGC 10 | $28.00 | −$19.18 | 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.
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Grading Underground Expedition — FAQ
Is Underground Expedition worth grading?
A PSA 10 Underground Expedition brings $47.18 versus $20.45 raw — a $26.73 spread that covers an economy-tier ~$25 grading fee. A PSA 9 ($16.97) sells for less than raw, so anything short of a 10 loses money.
How much is a PSA 10 Underground Expedition worth compared with raw?
A PSA 10 Underground Expedition (Skyridge 140/144) sells for about $47.18 versus $20.45 for a raw near-mint copy — a 2.3× premium as of Aug 10, 2026.
Which grading company is best for Underground Expedition?
By resale value, PSA 10 leads at $47.18, ahead of CGC 10 at $28.00. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Underground Expedition need for a PSA 10?
PSA publishes 55/45 front and 75/25 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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