Professor Oak's New Theory 101/123 · HeartGold & SoulSilver

Professor Oak's New Theory · 101/123 · UNCOMMON

HeartGold & SoulSilver · HeartGold & SoulSilver · 2010

NormalReverse

Print	Market	Low	Mid
Normal◀ This pocket	$0.89	$0.25	$0.75
Reverse holo	$6.92	$4.28	$13.38

TCGplayer prices · updated 2026/08/12 · View on TCGplayer ↗

Open HeartGold & SoulSilver in the builderMore by Ken Sugimori ▶