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· 101 · Uncommon
Professor Oak's New Theory from HeartGold SoulSilver is at €6.21 on Oct 22, 2026, based on 89 price observations.
No listings yet
Nobody is selling this card right now. Be the first, or post a buy offer so sellers see the demand.
Professor Oak's New Theory is the English name. Collectors in other shops search for the names below. All of them find this card here.
This card is listed as HS 101 on other platforms. Every spelling finds it in the Trademeup search.
Nobody is selling this card on Trademeup right now. The market price beside it is a reference from other venues; it is not something you can buy here.
The Trademeup index is the median of real sales on this marketplace (7/30 days, per condition). External source curves are shown for comparison.
Market pressure
Ungraded, by condition
Graded, by company and grade
Every number here is the market price above, times what that quality is worth. We measure that multiple on this card, and where there are no prices for it, we use the going rate across the whole catalogue.
≈ means estimated: this card has no price of its own in that quality.
On paper grading pays off: CGC 10 brings €159.77 more than ungraded, after commission and about €25.00 to submit. Whether the card grades that high, nobody knows in advance.
