| Set | Crown Zenith |
| Card number | GG59 |
| Rarity | Rare Ultra |
| Type | Trainer |
| HP | 0 |
| Artist | kantaro |
| Released | Jan 2023 |
Colress's Experiment #GG59 Value (Crown Zenith)
Pokemon card price guide: raw and graded values, eBay sold prices and price history. Updated Nov 2, 2026.
Colress's Experiment is a Rare Ultra Trainer card from the 2023 Crown Zenith set in the Sword & Shield series. Created by artist kantaro, it offers a lower tier rarity with a correspondingly modest price standing among over 200 cards.
Current prices
| Source | Price |
|---|---|
| TCGplayer market price (USD) | $2.28 |
| Cardmarket lowest near mint (EUR) | €3.00 |
| Cardmarket 7-day average (EUR) | €4.44 |
| Cardmarket 30-day average (EUR) | €4.51 |
| Cardmarket listings available | 414 |
| eBay PSA 10 median (USD) | $39.99 |
Buy / compare: TCGplayer · eBay · eBay sold · Cardmarket
To price your own copy, use the free Pokémon card scanner and compare the result with the values above.
Why Colress's Experiment #GG59 is priced where it is
Colress's Experiment #GG59 is a Rare Ultra Trainer card from Crown Zenith, the Sword & Shield era (2023). It ranks as number 73 by price out of 230 cards in the set. A PSA 10 sells for about 18x the raw price, so centering and surface condition decide most of what a copy is worth. Its price has held almost flat over the last 30 days ($2.28 to $2.28). The illustration is by kantaro.
Graded card values (PSA, CGC, BGS)
| Grading | Grade | Median sold | Sales |
|---|---|---|---|
| CGC | 10 | $5.00 | 1 |
| CGC | 9 | $9.99 | 1 |
| PSA | 10 | $39.99 | 5 |
| PSA | 9 | $22.50 | 1 |
Graded values are medians of real eBay sold listings.
Colress's Experiment price history
Price has been stable near $2.28 across the 126 days we have on record.
| Month | Avg Cardmarket low | Avg TCGplayer market |
|---|---|---|
| Nov 2026 | €2.75 | $2.28 |
| Oct 2026 | €3.15 | $2.28 |
| Sep 2026 | €3.43 | $2.28 |
| Aug 2026 | €3.00 | $2.28 |
| Jul 2026 | €3.00 | $2.28 |
| Jun 2026 | €3.00 | $2.28 |
| May 2026 | €3.23 | $2.28 |
| Apr 2026 | €3.01 | $2.28 |
Frequently asked questions
What is Colress's Experiment #GG59 worth on Nov 2, 2026?
As of Nov 2, 2026, a raw near mint copy is worth about $2.28, a PSA 10 sells for around $39.99 on eBay, the Cardmarket low is €3.00. Prices update hourly from Cardmarket, TCGplayer and eBay sold listings.
What is a PSA 10 Colress's Experiment #GG59 worth?
As of Nov 2, 2026, a PSA 10 Colress's Experiment #GG59 sells for about $39.99 on eBay (median of recent graded sales), compared with about $2.28 for a raw near mint copy.
Is Colress's Experiment #GG59 rare?
Colress's Experiment #GG59 is printed at Rare Ultra rarity and ranks number 73 by price among the 230 cards in Crown Zenith. Demand for the character and condition matter more than the rarity symbol.
Is Colress's Experiment #GG59 going up in value?
Not much right now. Its price has stayed within a few percent over the last 30 days, at about $2.28.
Is Colress's Experiment #GG59 worth grading?
Usually not. A PSA 10 only adds about $37.71 over raw, which leaves little after grading fees, shipping and the risk of a lower grade.
How do I check which printing of Colress's Experiment I have?
Look at the set symbol and the card number (GG59) at the bottom of the card, then match both to this page. A phone scanner such as Card Value Scanner on iPhone reads them from one photo; on Android, search the number in the price guide.
Other Colress's Experiment printings
Every Colress's Experiment card and its current price
Most valuable cards in Crown Zenith
Crown Zenith card list · All Pokemon sets · Most valuable Pokemon cards
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