Professor Oak’s New Theory

HeartGold SoulSilver · 101/123 ·Uncommon

At a glance

PSA 10513,7× RAW

Data basis18 sales

Released2010

Market price

€1,71

Price history · RAW

2026-03-30 · €1,47 €2,75 · 2026-06-20

Recent sales · 16

2026-06-20	ES	RAW LP	Professor Oak's New Theory 101/123 Barajas Campeonato Mundia	€2,08
2026-06-20	ES	RAW UNKNOWN	Professor Oak's New Theory HeartGold SoulSilver Uncommon 101	€3,13
2026-06-19	ES	RAW UNKNOWN	Professor Oak's New Theory 101/123 \| HGSS \| Pokemon TCG \| In	€1,56
2026-06-19	UNKNOWN	RAW HP	PROFESSOR OAK'S NEW THEORY - 101/123 - HeartGold SoulSilver	€1,57
2026-06-17	ES	RAW UNKNOWN	Tarjeta Pokémon HeartGold y SoulSilver Professor Oak's New T	€1,56
2026-06-16	ES	RAW MP	Pokemon Professor Oak’s New Theory 101/123 Heartgold & Souls	€1,99
2026-06-12	ES	RAW DMG	Professor Oak's New Theory 101/123 Poco Común HeartGold y So	€1,66
2026-06-12	ES	RAW MP	Professor Oak's New Theory 101/123 Poco Común HeartGold y So	€1,87
2026-06-03	ES	RAW LP	Professor Oak's New Theory 101/123 HeartGold SoulSilver LP P	€2,39
2026-05-30	ES	RAW UNKNOWN	Pokemon TCG HeartGold SoulSilver Professor Oak's New Theory	€1,47
2026-05-10	ES	PSA 10	Pokemon PSA 10 Professor Oak's New Theory 101/123 Professor	€878,38
2026-05-10	ES	RAW UNKNOWN	Tarjeta Pokémon Professor Oak's New Theory 101/123 HGSS casi	€2,17
2026-04-30	ES	RAW LP	Professor Oak's New Theory Uncommon Reverse Holo 101/123 Hea	€2,08
2026-04-27	ES	RAW MP	Professor Oak's New Theory-Pokémon Juego de cartas coleccion	€1,56
2026-04-17	ES	RAW UNKNOWN	Professor Oak's New Theory 101/123 Uncommon HeartGold & Soul	€1,61
2026-03-30	ES	RAW LP	Tarjeta Professor Oak's New Theory 101/123 (Christopher Kan)	€2,75

Frequently asked questions

What is Professor Oak’s New Theory HeartGold SoulSilver 101/123 worth?

The market value of Professor Oak’s New Theory HeartGold SoulSilver 101/123 is currently about €1,71, based on real eBay sales.

What is a graded Professor Oak’s New Theory HeartGold SoulSilver 101/123 (PSA 10) worth?

A PSA 10 copy of Professor Oak’s New Theory HeartGold SoulSilver 101/123 is currently worth about €878,38.

How does lastsold determine the market value?

lastsold uses only real eBay sales — recent sales count more (recency weighting), outliers and fakes are removed. It's not an estimate but actual sold prices, separated by condition, language and grading.