![Cloyster [Blue Back] #91 Pokémon card from Japanese Topsun](https://storage.googleapis.com/images.pricecharting.com/ref58959bb0e9478380410e024277dcb33b5104bc850d8b112e92df4f5cfffd5b0e/240.jpg)
Japanese
Cloyster [Blue Back] 91/248
Topsun· Language: Japanese
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Cloyster [Blue Back] #91 from Japanese Topsun currently trades at $5.72 raw, with PSA 10 copies reaching $587.17 — a 102.7x grade premium. The card has lost 0.9% 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
+0.0%
30d
-0.9%
90d
—
180d
—
1y
-18.2%
2y
+36.5%
5y
—
Quick price facts
Cloyster [Blue Back] 91/248 from Topsun has a current raw market value of $5.72.
- Current raw value
- $5.72
- PSA 9 value
- $59.99
- PSA 10 value
- $587
- PSA 10 premium vs raw
- 102.7× raw
Collector Intel
102.7x
Raw → PSA 10
High-risk grade
10.5x
Raw → PSA 9
Grade multiplier
-0.9%
30d Price Move
Falling
Steady
Price Stability
0.0% 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 103x the raw price. The expected value accounts for the realistic probability.
$6
Buy Raw
~$25
Grading Fee
PSA Standard
$587
PSA 10 Value
+$556
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$6010.5x raw
PSA 10$587102.7x raw