Professor Cozmo's Discovery

Holon Phantoms · #89/110 · Uncommon · 2006

$0.50

Stamped · Market price ▼ 89.2% (1Y)

Prices as of Jul 26, 2026

Normal Reverse Holofoil Stamped

SupporterArt · Ken Sugimori

66graded pop

38%gem rate

10.2×PSA 10 vs raw

-86%off ATH $5.19 · Oct 2022

+$4.13EV to grade — marginal

Printings & price history

Stamped$0.50

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Graded values

updated 2026-07-26

Grade 6 est.$0.48

Grade 5 est.$0.40

Grade 4 est.$0.33

Grade 3 est.$0.28

Grade 2 est.$0.23

Grade 1 est.$0.19

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

Stamped · PSA 10 price history$41.78

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

CGC9 graded · 5 gem 10

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PSA8 graded · 4 gem 10

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Population data from PriceCharting, updated monthly.

How much is Professor Cozmo's Discovery #89/110 worth?

As of July 27, 2026, Professor Cozmo's Discovery #89/110 from Holon Phantoms sells for around $0.47 in raw, ungraded condition. Across the 3 printings we track, copies run anywhere from $0.15 to $69.90 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $72.86, roughly 155.0x the raw price, while a PSA 9 sits near $13.97. 28 copies have been graded to date, and 39% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.