Prices updated 4/5/2026
Professor Oak's New Theory
HeartGold & SoulSilver · #101
Set
HeartGold & SoulSilver
Series
HeartGold & SoulSilver
Rarity
Uncommon
Number
101
Supertype
Trainer
Artist
Ken Sugimori
Subtypes
Supporter
Prices & Marketplace
Condition
Normal
Low
$0.25
Market
$0.89
High
$19.98
Reverse Holofoil
Low
$3.25
Market
$6.92
High
$63.10
Price History
Not enough data yet
