Pokémon TCG
Professor Oak's New Theory
HeartGold Collection · 068 · Uncommon
Current UK price · near mint
£0.76▼ 1.3%
As of 2026-05-25 · folio price index · last 7 days
About this card
Professor Oak's New Theory is a Uncommon from HeartGold Collection, part of the Pokémon TCG trading card game. Track its price, watch its history, and manage your full TCG collection — across 13 games and counting — with folio. Built by collectors, for collectors.