
Japanese
Shellder 90/151
Mystery of the Fossils· Language: Japanese
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Shellder #90 from Japanese Mystery of the Fossils currently trades at $1.28 raw, with PSA 10 copies reaching $157.54: a 123.1x grade premium. The card has moved down 14.7% over the past 30 days and down 37.6% over 90 days, suggesting continued softness.
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
+0.8%
30d
-14.7%
90d
-37.6%
180d
—
1y
-25.1%
2y
-21.5%
5y
—
Quick price facts
Shellder 90/151 from Mystery of the Fossils has a current raw market value of $1.28.
- Current raw value
- $1.28
- PSA 9 value
- $22.55
- PSA 10 value
- $158
- Raw value 30d
- -14.7%
- PSA 10 premium vs raw
- 123.1× raw
Collector Intel
123.1x
Raw → PSA 10
High-risk grade
17.6x
Raw → PSA 9
Grade multiplier
-14.7%
30d Price Move
Falling
Steady
Price Stability
0.8% swing this week
Calculated from price history, PSA population data, and market trends. Not financial advice.
Grading Calculator
Figures below are the gross raw-to-PSA-10 spread. PSA grading fees vary by card value and service tier — check psacard.com/services for the fee applicable to this card. Assumes a perfect PSA 10; actual outcome depends on card condition.
⚠️ High-variance grade. PSA 10 is 123x the raw price. The expected value accounts for the realistic probability.
$1
Raw Price
$158
PSA 10 Value
+$156
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$2317.6x raw
PSA 10$158123.1x raw

