Professor Cozmo's Discovery

Deoxys · #90/107 · Uncommon · 2005

$7.26

Reverse Holofoil · Market price ▲ 5.1% (30d)

Prices as of Jul 26, 2026

Normal Reverse Holofoil

SupporterArt · Ken Sugimori

98graded pop

32%gem rate

13.6×PSA 10 vs raw

-73%off ATH $3.63 · Oct 2022

+$15.52EV to grade — marginal

Printings & price history

Reverse Holofoil▲ 4.8% 7d$7.26

Low $5.00Mid $9.99

Loading chart…

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Shop live eBay listings →Recent eBay sold results

Graded values

updated 2026-07-26

Grade 6 est.$6.64

Grade 5 est.$5.59

Grade 4 est.$4.61

Grade 3 est.$3.84

Grade 2 est.$3.15

Grade 1 est.$2.66

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

Reverse Holofoil · PSA 10 price history$181.46

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

Graded population census · updated 2026-07-08

Reverse Holofoil

PSA41 graded · 3 gem 10

12345678910

CGC24 graded · 7 gem 10

12345678910

Population data from PriceCharting, updated monthly.

How much is Professor Cozmo's Discovery #90/107 worth?

As of July 27, 2026, Professor Cozmo's Discovery #90/107 from Deoxys sells for around $0.49 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $0.12 to $80.00 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $99.00, roughly 202.0x the raw price, while a PSA 9 sits near $24.08. 41 copies have been graded to date, and 7% 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.