Professor Cozmo's Discovery
Holon Phantomsn° 89/110Uncommon
Normal$0.52from $0.10
Reverse$7.02from $2.50
TCGplayer market price, updated 2 November 2026.
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Other Professor Cozmo's Discovery cards
Deoxys$0.57
EX trainer Kit 2 (Plusle)$0.29FAQ
How much is Professor Cozmo's Discovery 89/110 (Holon Phantoms) worth?
As of 2 November 2026, Professor Cozmo's Discovery 89/110 is worth $0.52 (TCGplayer market price, from $0.10).
What is the reverse Professor Cozmo's Discovery worth?
The reverse Professor Cozmo's Discovery 89/110 is worth $7.02 as of 2 November 2026.
Which set is Professor Cozmo's Discovery 89/110 from?
Holon Phantoms (HP), released 3 May 2006, Uncommon.