Cloyster
FireRed & LeafGreen · #20/112 · Rare · 2004
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-17
Population data from PriceCharting, updated monthly.
Auction sale integrity
NewGraded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →
More Cloyster cards all 34 ranked by value →
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Cloyster δDragon Frontiers · 2006
CloysterFlight of Legends · 2004
Misty's CloysterGym Heroes · 2000Abilities
Attacks
How much is Cloyster #20/112 worth?
A raw copy of Cloyster #20/112 (FireRed & LeafGreen, 2004) is worth about $2.85 right now, based on the latest market data from November 5, 2026. Across the 2 printings we track, copies run anywhere from $2.45 to $322.78 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $124.15, roughly 43.6x the raw price, while a PSA 9 sits near $74.63. 152 copies have been graded to date, and 18% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
