←Mystery of the FossilsMystery of the Fossils🃏All Cloyster cards
Ask about Cloyster
Cloyster #91 Pokémon card from Japanese Mystery of the Fossils
Japanese

Cloyster 91/151

Mystery of the Fossils· Language: Japanese

Find this card on eBay

Affiliate link · we may earn commission

Cloyster #91 from Japanese Mystery of the Fossils currently trades at $2.50 raw, with PSA 10 copies reaching $405.33: a 162.1x grade premium. The card has moved down 8.1% over the past 30 days and down 15.5% over 90 days, suggesting continued softness.
Current Prices (USD)
Ungraded
$2.50
PSA 7
$22.00
PSA 8
$27.70
PSA 9
$30.00
PSA 10
$405.33
ACE 10
—
BGS 10 Black
$2,635.00
CGC 10 Pristine
$87.00
Compare on eBay

Affiliate link · we may earn commission

Raw Price Trend
7d
-9.4%
30d
-8.1%
90d
-15.5%
180d
—
1y
+7.3%
2y
-20.9%
5y
—

Quick price facts

Cloyster 91/151 from Mystery of the Fossils has a current raw market value of $2.50.

Current raw value
$2.50
PSA 9 value
$30.00
PSA 10 value
$405
Raw value 7d
-9.4%
Raw value 30d
-8.1%
PSA 10 premium vs raw
162.1× raw
View all cards from Mystery of the Fossils →
Collector Intel
162.1x
Raw → PSA 10
High-risk grade
12.0x
Raw → PSA 9
Grade multiplier
-8.1%
30d Price Move
Falling
Moderate
Price Stability
9.4% 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 162x the raw price. The expected value accounts for the realistic probability.
$3
Raw Price
$405
PSA 10 Value
+$403
Gross Premium (PSA 10)
before PSA fees
Grade Multiples vs Raw
PSA 9$3012.0x raw
PSA 10$405162.1x raw

Frequently asked questions

How much is Cloyster #91 from Japanese Mystery of the Fossils worth?+
Cloyster #91 from Japanese Mystery of the Fossils currently reads Raw: $2.50, PSA 9: $30.00, PSA 10: $405 in our aggregated recent-sales price guide. The guide is rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces, never asking prices.
Is Cloyster #91 worth grading?+
The PSA 10 price of $405 is 162.1× the raw price of $2.50. Grading fees vary by card value and PSA service tier — see PSA's current fee page before submitting.
Where do PokePrices Cloyster #91 prices come from?+
Raw, PSA 9 and PSA 10 figures come from our aggregated recent-sales price guide, rebuilt nightly from sold-sales data across the major Pokémon TCG marketplaces. The displayed values are guide numbers, not individual listings. PSA population data is sourced directly from PSA's public population reports. Asking prices are never used; only confirmed sales activity feeds the guide.