![Machina Fortress [Quarter Century Secret Rare] RA03-EN233 (YuGiOh Quarter Century Bonanza) — is it worth grading?](https://i.ebayimg.com/images/g/DwIAAeSwFOBqKXD5/s-l1600.jpg)
Is Machina Fortress [Quarter Century Secret Rare] RA03-EN233 worth grading?
Yu-Gi-Oh! · YuGiOh Quarter Century Bonanza · full price guide →
Worth grading — even a PSA 9 beats raw
A PSA 10 Machina Fortress [Quarter Century Secret Rare] RA03-EN233 sells for $220 against $32.23 raw: a $188 spread, 6.8× the ungraded price. Even a PSA 9 ($160) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
- Raw (NM)
- $32.23
- PSA 10
- $220
- PSA 9
- $160
- Gem premium
- 6.8×
- As of
- Aug 9, 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 | $220 | +$163 | +$138 | +$37.95 |
| PSA 9 | $160 | +$103 | +$77.95 | −$22.05 |
| PSA 8 | $76.87 | +$19.64 | −$5.36 | −$105 |
Net = sale price − $32.23 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% | $175 | +$92.95 |
| 50% | $190 | +$108 |
| 75% | $205 | +$123 |
Even a miss (a 9) beats selling raw after the standard fee — the gem rate only decides how much you win by.
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 | $286 | best | 55/45 | 70/30 |
| PSA 10 | $220 | −$65.82 | 55/45 | 75/25 |
| CGC 10 | $132 | −$154 | 55/45 | 75/25 |
| SGC 10 | $132 | −$154 | 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 | $220 | $132 | $286 | $132 | — |
| 9.5 | — | — | — | — | $176 |
| 9 | — | — | — | — | $160 |
| 8 | — | — | — | — | $76.87 |
| 7 | — | — | — | — | $47.70 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
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Grading Machina Fortress [Quarter Century Secret Rare] RA03-EN233 — FAQ
Is Machina Fortress [Quarter Century Secret Rare] RA03-EN233 worth grading?
A PSA 10 Machina Fortress [Quarter Century Secret Rare] RA03-EN233 sells for $220 against $32.23 raw: a $188 spread, 6.8× the ungraded price. Even a PSA 9 ($160) clears the raw price after an economy-tier ~$25 fee, so a near-miss still comes out ahead. Centering is the usual reason a clean copy misses the 10 — measure it before you submit.
How much is a PSA 10 Machina Fortress [Quarter Century Secret Rare] RA03-EN233 worth compared with raw?
A PSA 10 Machina Fortress [Quarter Century Secret Rare] RA03-EN233 (YuGiOh Quarter Century Bonanza) sells for about $220 versus $32.23 for a raw near-mint copy — a 6.8× premium as of Aug 9, 2026.
Which grading company is best for Machina Fortress [Quarter Century Secret Rare] RA03-EN233?
By resale value, BGS 10 leads at $286, ahead of PSA 10 at $220. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Machina Fortress [Quarter Century Secret Rare] RA03-EN233 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.
Is your Yu-Gi-Oh! 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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