Mystery of the Fossils
#91 · 1997 · 48 cards
Market Price · Near Mint · Updated August 10, 2026
—
Tracked High
$200.00
Jul 2026
Tracked Low
$200.00
Jul 2026
Prices updated Aug 10, 2026
Recent market data · NM
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Live listings · Sorted by price
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HP
50
Type
Pokémon
Stage
Stage 1
Evolves from
["Shellder"]
Attacks
Clamp
30
Flip a coin. If heads, the Defending Pokémon is now Paralyzed. If tails, this attack does nothing (not even damage).
Spike Cannon
30×
Flip 2 coins. This attack does 30 damage times the number of heads.
Weakness
Retreat Cost
Illustrated by
Kagemaru Himeno
Pokédex
#91
A PSA 10 (Gem Mint) copy of Cloyster #91 sells for $68.82.
Cloyster
151
+9.5%14d
Cloyster
Base Expansion Pack
Cloyster
Base Expansion Pack
Cloyster
Blue Sky Stream
-22.9%14d
Cloyster
BREAKpoint
+58.3%14d
Cloyster
Collection Sun
Cloyster
Collection Y
0.0%14d
Cloyster δ
Dragon Frontiers
+2.9%14d
Cloyster
Expedition Base Set
+6.2%14d
Cloyster
Expedition Base Set
0.0%14d
| Condition | Market | vs NM | eBay Sold |
|---|---|---|---|
Near Mint | $200.00 | base | $1.15 |
Lightly Played | ~$160.00 | -20% | — |
Moderately Played | ~$114.00 | -43% | — |
Heavily Played | ~$80.00 | -60% | — |
Damaged | ~$50.00 | -75% | — |
~ estimated from NM using standard condition discounts · updated when marketplace data is available
Ungraded + PSA / CGC / BGS grades
| Condition | Market | eBay |
|---|---|---|
| Near MintMost common | $200.00 | $1.15 |
| Lightly Played | ~$160.00 | — |
| Moderately Played | ~$114.00 | — |
| Heavily Played | ~$80.00 | — |
| Damaged | ~$50.00 | — |
Graded Prices
| Grade | PSA | CGC | BGS | vs Raw |
|---|---|---|---|---|
| ★ 10 | $68.82 | $50.00 | — | -66% |
| 9 | $26.48 | $14.13 | — | -87% |
| 8 | $13.99 | — | — | -93% |
| 7 | $37.00 | — | — | -82% |
Live market prices · ~ estimated using standard condition discounts
Tap a grade to see its price history
Ungraded
$200.00
NM raw
