Holon PhantomsEX Ruby & Sapphire · 2006

Professor Cozmo's Discovery

#89NormalUpdated Oct 27, 2026

TCGPlayer market

$0.52

Cardmarket: €0.17
PSA 10: $50.49
PSA population: 8
PSA gem rate: 50.0%

2 finishes

Market prices

Ungraded prices from each marketplace we track, with sales activity where available.

SourcePriceSalesLast salePer weekSignal

TCGPlayer Market USD

$0.52

TCGPlayer Market

USD

$0.52

—

eBay Average USD

$0.51

2 sales

eBay Average

USD

$0.51

2

—

eBay Sold USD

$1.97

5 sales

eBay Sold

USD

$1.97

5

—

Cardmarket EUR

€0.17

Cardmarket

EUR

€0.17

—

Graded prices

Average sold price by grading company and grade.

GradeAverage sold price

Grade 10: $50.491 sold

Grader	10
PSA	$50.491 sold

Population report

How many copies each grading company has graded, and at which grade.

PSA graded

8

50.0%

Gem rate

1

0

2

1

4

12345678910

Match confidence: high

Price by condition

Ungraded market price for each printing, from Near Mint down to Damaged.

Normal

NM

Near Mint

$0.52

LP

Lightly Played

$0.35

MP

Moderately Played

$0.31

HP

Heavily Played

$0.18

DM

Damaged

$0.09

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About Professor Cozmo's Discovery

Professor Cozmo's Discovery is a Pokémon card (#89) from Holon Phantoms, part of the EX Ruby & Sapphire series, released in 2006. It is tracked in 2 finishes, each priced separately above.

An ungraded copy currently sells for about $0.52. A PSA 10 (Gem Mint) averages $50.49 — about 97.1× the raw price.

PSA has graded 8 copies, 4 of them at PSA 10 (a 50.0% gem rate). Fewer tens usually means a larger premium for a top-graded copy.

PokiFrame tracks Professor Cozmo's Discovery across TCGPlayer, Cardmarket and eBay sales so you can check its value before you buy, sell or trade.

Browse every Holon Phantoms card →

Professor Cozmo's Discovery — common questions

How much is Professor Cozmo's Discovery worth?: Professor Cozmo's Discovery from Holon Phantoms has a market price of $0.52 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Professor Cozmo's Discovery worth?: Recent PSA 10 (Gem Mint) sales of Professor Cozmo's Discovery averaged $50.49, about 97.1× the ungraded price.
How many PSA 10 Professor Cozmo's Discovery are there?: PSA has graded 8 copies of Professor Cozmo's Discovery, and 4 of them received a PSA 10 — a gem rate of 50.0%.

Market

$283.51