Holofile
Professor Cozmo's Discovery 90/107 Deoxys

DEOXYS

Professor Cozmo's Discovery 90/107

Professor Cozmo's Discovery is card 90/107 in Deoxys (DX), a EX set, released on February 1, 2005. It’s an Uncommon illustrated by Ken Sugimori. It comes in 2 printings: Normal and Reverse Holo. A Near Mint Normal copy has a market price of $0.57 as of October 17, 2026, up 6% over 30 days.

Market price · Near Mint · Normal

$0.57+6% in 30 days

Jul 19, 2026 · $0.46Low $0.46 · High $0.58Oct 17, 2026 · $0.57

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Number
90/107
Rarity
Uncommon
Released
February 1, 2005

Printings and prices

Normal

Ungraded
ConditionMarket30 days
Near Mint$0.57+6%
Lightly Played$0.36+13%
Moderately Played$0.21+11%
Heavily Played$0.48−4%
Damaged$0.21+5%
Graded
GradeMarket30 days
CGC 10$12.230%

Reverse Holo

Ungraded
ConditionMarket30 days
Near Mint$16.82+129%
Lightly Played$5.82+3%
Moderately Played$2.27+16%
Heavily Played$1.46−40%
Damaged$0.650%
Graded
GradeMarket30 days
PSA 9$57.040%
PSA 8$15.500%
CGC 9.5$15.600%
CGC 9$29.990%
CGC 5$4.000%

Market prices as of October 17, 2026: in US dollars unless marked. Prices are estimates from third-party market data and are not offers to buy or sell.