Professor Cozmo's DiscoveryDeoxys 90/107 price & value
Ungraded · near mint
Strong data$0.54
- PSA 10
- $99.00
Prices updated today · How we price cards
Ungraded price by printing
- Non-holo$0.54
- Reverse holo$7.35
Current marketplace price for each printing. The headline value above blends sold prices across printings.
About this card
As of Sep 28, 2026, Professor Cozmo's Discovery 90/107 from Deoxys is worth about $0.54 ungraded in near-mint condition and $99.00 graded PSA 10. That value is based on 4 recorded sales in the last 90 days.
Professor Cozmo's Discovery is card 90 of 107 in the Deoxys price guide, a set released in February 2005 during the EX era. Its rarity is Uncommon. The artwork is by Ken Sugimori. In the checklist it sits after Meteor Falls 89/107 and before Space Center 91/107.
It is the 96th most valuable of the 108 priced cards in Deoxys, behind Rayquaza ☆ 107/107 (see the most valuable Deoxys cards). A PSA 10 copy is valued at about 183× the ungraded price, so condition matters a lot for this card.
Price history
- Now
- $0.54
- 4 weeks
- +1.9%
- 90 days
- +8.0%
- 1 year
- −66%
- Highest
- $3.63
- Lowest
- $0.46
Recorded history starts August 2021. Earlier history is monthly averages; from July 22, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.
Matched sold listings
Recent sales
6 on record
RawProfessor Cozmo's Discovery 90/107 Uncommon Deoxys Pokemon Lightly PlayedAug 9, 2026 · eBay · Listed as lightly played · View listing$1.99
RawPokémon- Professor Cozmo's Discovery - Holo - Uncommon - Deoxys - 90/107Jul 27, 2026 · eBay · View listing$6.00
RawProfessor Cozmo's Discovery 90/107 Uncommon Deoxys NM Pokemon CardJul 26, 2026 · eBay · Listed as near mint · View listing$1.99
RawNintendo Pokémon TCG Professor Cozmo's Discovery 90/107 Deoxys Rev Holo Stmpd MPJul 20, 2026 · eBay · Listed as moderately played · View listing$1.01- CGC 10Pokémon Professor Cozmo's Discovery 2005 EX Deoxys 90/107 CGC 10Feb 1, 2026 · eBay · View listing$13.50
- CGC 10Pokémon Professor Cozmo's Discovery 2005 EX Deoxys 90/107 CGC 10Feb 1, 2026 · eBay · View listing$10.50
Card details
Next in the binder
Nearby in Deoxys
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Common questions
How much is Professor Cozmo's Discovery 90/107 Deoxys worth?
As of Sep 28, 2026, Professor Cozmo's Discovery 90/107 Deoxys is worth about $0.54 ungraded in near-mint condition. Recent prices range from $0.54 to $1.00. A PSA 10 copy is worth about $99.00. How we price cards.
How much is a PSA 10 Professor Cozmo's Discovery 90/107 worth?
A PSA 10 Professor Cozmo's Discovery 90/107 Deoxys is worth about $99.00. That is about 183× the ungraded value.
How often does Professor Cozmo's Discovery 90/107 sell?
Professor Cozmo's Discovery 90/107 Deoxys recorded 4 sales in the last 90 days (0 in the last 30), most recently on Aug 9, 2026. The highest recent sale was $6.00 for an ungraded copy on Jul 27, 2026.
What is the most valuable card in Deoxys?
The most valuable card in Deoxys is Rayquaza ☆ 107/107, at about $8,500 ungraded. Professor Cozmo's Discovery 90/107 ranks 96th of 108. See the full Deoxys ranking.