Card image & details: TCGdex
Professor Oak's New Theory
- Card number
- 101 / 123
- Rarity
- Uncommon
- Artist
- Ken Sugimori
- Release date
- Feb 10, 2010
- Series
- HeartGold & SoulSilver
- Pokémon featured
- None (Trainer / Energy)
Market
Updated Oct 12, 2026Marketplace prices via TCGdex. Movement uses daily snapshots when available, otherwise the provider's rolling averages.
Price history
Reconstructed from 7- and 30-day price changes reported by the market provider
Card details
Prices by source & variant
Each printing variant is priced separately.
Professor Oak's New Theory on eBayeBay
Professor Oak's New Theory 101/123 Uncommon HeartGold & SoulSilver Pokemon MP
Professor Oak's New Theory 101/123 Uncommon HeartGold & SoulSilver Pokemon MP
Professor Oak's New Theory 101/123 Uncommon HeartGold & SoulSilver Pokemon LP
PROFESSOR OAK'S NEW THEORY 101/123 POKEMON HEARTGOLD & SOULSILVER LP
Professor Oak's New Theory 101/123 HeartGold& SoulSilver Pokemon Reverse Holo LP
PROFESSOR OAK'S NEW THEORY - 101/123 - HeartGold SoulSilver HGSS - Pokemon - PL
Professor Oak's New Theory 101/123 HeartGold SoulSilver Pokemon Card
Professor Oak's New Theory 101/123 Uncommon HeartGold & SoulSilver Pokemon LP
Professor Oak's New Theory 101/123 Uncommon HeartGold & SoulSilver Pokemon LP
Professor Oak's New Theory 101/123 Uncommon HeartGold & SoulSilver Pokemon LP
2011 Professor Oak's New Theory 101/123 Heartgold & Soulsilver Reverse Holo
Professor Oak's New Theory 101/123 | MP | HeartGold & SoulSilver | Pokemon TCG -