![Nidoqueen [Blue Back] #31 Pokémon card from Japanese Topsun](https://storage.googleapis.com/images.pricecharting.com/refa84897503af5a572433ee3937946b9162150ef20dc4400f75f51f492045765a0/240.jpg)
Japanese
Nidoqueen [Blue Back] 31/248
Topsun· Language: Japanese
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Nidoqueen [Blue Back] #31 from Japanese Topsun currently trades at $14.54 raw, with PSA 10 copies reaching $387.25 — a 26.6x grade premium. The card has lost 1.0% over the past 30 days.
Current Prices (USD)
Ungraded
PSA 7
PSA 8
PSA 9
PSA 10
ACE 10
BGS 10 Black
CGC 10 Pristine
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Raw Price Trend
7d
-1.0%
30d
-1.0%
90d
—
180d
—
1y
+298.4%
2y
+107.7%
5y
—
Quick price facts
Nidoqueen [Blue Back] 31/248 from Topsun has a current raw market value of $14.54.
- Current raw value
- $14.54
- PSA 9 value
- $100
- PSA 10 value
- $387
- PSA 10 premium vs raw
- 26.6× raw
Collector Intel
26.6x
Raw → PSA 10
High-risk grade
6.9x
Raw → PSA 9
Grade multiplier
-1.0%
30d Price Move
Falling
Steady
Price Stability
1.0% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 27x the raw price. The expected value accounts for the realistic probability.
$15
Buy Raw
~$25
Grading Fee
PSA Standard
$387
PSA 10 Value
+$348
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$1006.9x raw
PSA 10$38726.6x raw