Professor Oak's New Theory
Professor Oak's New Theory is a Uncommon from the Pokémon TCG set HeartGold Collection, card #68 of 143. It's one of 38 Uncommon cards in the set.
Market value
Updated June 13, 2026Recent range $1.75 – $3.00
PSA 9 & PSA 10 comps
Graded sales are pulled live in the Scryda app
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Raw market value for ungraded copies, from marketplace sales data via TCGCSV and refreshed daily. Estimates for reference — not an offer to buy or sell.
How much is Professor Oak's New Theory worth?
Professor Oak's New Theory (HeartGold Collection #68) is worth about $1.00 raw and ungraded. Recent marketplace activity spans $1.75 to $3.00 depending on condition and finish. Price data last refreshed June 13, 2026.
More Uncommon cards in HeartGold Collection
Most valuable cards in HeartGold Collection
In this set
- Set
- HeartGold Collection
- Card number
- #68 / 143
- Rarity
- Uncommon
- Released
- October 9, 2009
Common questions
What rarity is Professor Oak's New Theory #68?
Professor Oak's New Theory is an Uncommon. HeartGold Collection contains 38 cards at that rarity out of 143 total.
Does condition change what Professor Oak's New Theory is worth?
The prices on this page are for raw, ungraded copies. Condition swings what a card fetches — a Near Mint copy can be worth several times a played one, and a PSA 9 or PSA 10 slab is a different market again. Scryda scans the card, reads the exact print and finish, and shows raw alongside graded comps.