Is Sinister Serpent 15AX-JPM31 worth grading?
Yu-Gi-Oh! · YuGiOh Japanese Duelist Road Piece of Memory: Yugi Muto · full price guide →
Strong grading candidate — 17× premium in PSA 10
A PSA 10 Sinister Serpent 15AX-JPM31 sells for $91.89 against $5.34 raw: a $86.55 spread, 17× the ungraded price. A PSA 9 ($26.54) 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)
- $5.34
- PSA 10
- $91.89
- PSA 9
- $26.54
- Gem premium
- 17×
- 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 | $91.89 | +$61.55 | +$36.55 | −$63.45 |
| PSA 9 | $26.54 | −$3.80 | −$28.80 | −$129 |
| PSA 8 | $16.91 | −$13.43 | −$38.43 | −$138 |
Net = sale price − $5.34 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% | $42.88 | −$12.46 |
| 50% | $59.22 | +$3.88 |
| 75% | $75.55 | +$20.21 |
Break-even gem rate at the standard fee: about 44%. 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 | $119 | best | 55/45 | 70/30 |
| PSA 10 | $91.89 | −$27.11 | 55/45 | 75/25 |
| CGC 10 | $55.00 | −$64.00 | 55/45 | 75/25 |
| SGC 10 | $55.00 | −$64.00 | 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 | $91.89 | $55.00 | $119 | $55.00 | — |
| 9.5 | — | — | — | — | $29.00 |
| 9 | — | — | — | — | $26.54 |
| 8 | — | — | — | — | $16.91 |
| 7 | — | — | — | — | $7.90 |
Run your own numbers
Should I pay this?
Enter the seller’s asking price to see your net outcome per grade.
Other YuGiOh Japanese Duelist Road Piece of Memory: Yugi Muto cards worth checking
Full set checklist →![Dark Magician Girl [Millennium Rare] 15AX-JPM01 YuGiOh Japanese Duelist Road Piece of Memory: Yugi Muto card](https://i.ebayimg.com/images/g/G9AAAOSwlj9dm18y/s-l500.jpg)
![Slifer the Sky Dragon [Millennium Rare] 15AX-JPY57 YuGiOh Japanese Duelist Road Piece of Memory: Yugi Muto card](https://i.ebayimg.com/images/g/RiQAAOSwgfZfNTKE/s-l500.jpg)
![The Winged Dragon of Ra [Millennium Rare] 15AX-JPY59 YuGiOh Japanese Duelist Road Piece of Memory: Yugi Muto card](https://i.ebayimg.com/images/g/xjgAAOSwVIVfNTJq/s-l500.jpg)
Grading Sinister Serpent 15AX-JPM31 — FAQ
Is Sinister Serpent 15AX-JPM31 worth grading?
A PSA 10 Sinister Serpent 15AX-JPM31 sells for $91.89 against $5.34 raw: a $86.55 spread, 17× the ungraded price. A PSA 9 ($26.54) 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 Sinister Serpent 15AX-JPM31 worth compared with raw?
A PSA 10 Sinister Serpent 15AX-JPM31 (YuGiOh Japanese Duelist Road Piece of Memory: Yugi Muto) sells for about $91.89 versus $5.34 for a raw near-mint copy — a 17× premium as of Aug 9, 2026.
Which grading company is best for Sinister Serpent 15AX-JPM31?
By resale value, BGS 10 leads at $119, ahead of PSA 10 at $91.89. Fees and turnaround differ, so the best-paying label is not always the best net.
What centering does Sinister Serpent 15AX-JPM31 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 Sinister Serpent 15AX-JPM31 break even?
At a standard ~$50 fee, submitting Sinister Serpent 15AX-JPM31 breaks even when it gems about 44% of the time (a miss assumed to sell at the PSA 9 price of $26.54).
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.
Check my card free