Professor Oak's New Theory #101 (Reverse Holo) — HeartGold & SoulSilver

Professor Oak's New Theory card image

PriceCharting market prices as of :

Condition / gradePrice (USD)
Ungraded$6.92

TCGplayer market price: $6.92 (as of 2026-07-05)

Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-heartgold-%26-soulsilver/pokemon-heartgold-%26-soulsilver-professor-oak-s-new-theory-reverse-holo-101