The current value of Professor Cozmo's Discovery (EX Holon Phantoms #89) is $0.75, updated July 27, 2026, based on the latest market floor tracked by RareBit.

HP · #89 · UNCOMMON

Professor Cozmo's Discovery

EX Holon Phantoms · Uncommon · illus. Ken Sugimori

ENNM

Current value · NM · EN

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7d avg

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30d avg

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90d high

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90d low

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About this card

Professor Cozmo's Discovery is a Trainer card from the EX Holon Phantoms set (HP #89). Its rarity is Uncommon. It was illustrated by Ken Sugimori.

Price history

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TCGplayer US

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eBay Graded

eBay GradedAll PSA listings on eBay

• 10
  $72.86
• 9
  $13.97

Attributes

SetEX Holon Phantoms

Number#89

RarityUncommon

ArtistKen Sugimori

Languages—

SourcesPRICECHARTING · TCGPLAYER · CARDTRADER

Population & conditions

NEAR MINT · 10

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Prices updated Jul 27, 2026