Professor Oak's New Theory 101 / 123 Pokemon Card from HeartGold & SoulSilver Set
Professor Oak's New Theory is a Supporter Trainer card from the HeartGold & SoulSilver set, illustrated by Ken Sugimori. It is classified as an Uncommon card…
- Set: HeartGold & SoulSilver
- Number: 101/123
- Rarity: Uncommon
Set
About the Professor Oak's New Theory Trainer Card
Professor Oak's New Theory is a Supporter Trainer card from the HeartGold & SoulSilver set, part of the HeartGold & SoulSilver series. It carries the collector number 101/123 and is classified as Uncommon. The HeartGold & SoulSilver set was released on February 10, 2010.
Professor Oak's New Theory Trainer Card Details
Card name: Professor Oak's New Theory
Card number: 101/123
Set: HeartGold & SoulSilver
Series: HeartGold & SoulSilver
Rarity: Uncommon
Card type: Trainer (Supporter)
Artist: Ken Sugimori
Release date: February 10, 2010
Why Collect the Professor Oak's New Theory Trainer Card?
Professor Oak's New Theory is most often collected as part of a complete HeartGold & SoulSilver set rather than as a standalone chase card.
Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set.
Artwork and Illustration of the Professor Oak's New Theory Trainer Card
Professor Oak's New Theory was illustrated by Ken Sugimori.
Artwork is one of the factors collectors weigh when deciding which copies to keep or send for grading.
Market Price and Value of the Professor Oak's New Theory Trainer Card
The current aggregated market price for Professor Oak's New Theory is about $6.92. Recent listings range from roughly $4.00 (low) to $63.10 (high), with a mid-point near $6.59. These figures are aggregated from marketplace data and change over time; the live price and full price history are shown above on this page.
For context, the HeartGold & SoulSilver set has a median card value near
Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the HeartGold & SoulSilver set, the availability of sealed product, and broader Pokémon TCG market trends.
Grading the Professor Oak's New Theory Trainer Card
Whether Professor Oak's New Theory is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.
Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.
PSA has graded 5 copies of this card, of which 0 earned a PSA 10 — a gem rate of about 0.0%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.
How Rare Is the Professor Oak's New Theory Trainer Card?
As an Uncommon card, Professor Oak's New Theory sits just above commons in print frequency and appears regularly in booster packs.
Population data is one concrete measure of scarcity: PSA has graded 5 copies to date.
Other Printings of Professor Oak's New Theory
Professor Oak's New Theory appears on more than one card across the catalog. Other printings include Call of Legends 83 (around $3.27).
These are distinct cards rather than a single listing; compare the set, collector number, and rarity when identifying a specific copy.
Final Thoughts on the Professor Oak's New Theory Trainer Card
The Professor Oak's New Theory trainer card is a Uncommon card from the HeartGold & SoulSilver set (HeartGold & SoulSilver series). It is a straightforward addition for collectors completing the HeartGold & SoulSilver set. Its current aggregated market price is about $6.92; the live figure and full price history appear above on this page.
Frequently asked questions
What set is the Professor Oak's New Theory card from?
Professor Oak's New Theory is from the HeartGold & SoulSilver set (HeartGold & SoulSilver series), numbered 101/123 with the Uncommon rarity.
What rarity is the Professor Oak's New Theory card?
Professor Oak's New Theory is classified as Uncommon.
How much is the Professor Oak's New Theory 101/123 card worth?
The current aggregated market price is about $6.92, within a recent range of roughly $4.00 to $63.10. The live figure and full price history appear above on this page.
Is the Professor Oak's New Theory card worth grading?
It can be, if the card is well-centred and free of noticeable edge, corner, or surface flaws. PSA has graded 5 copies so far, with about 0.0% reaching PSA 10. Top grades typically command a premium over raw copies.
What is the PSA population for Professor Oak's New Theory?
PSA has graded 5 copies, of which 0 are PSA 10 (a gem rate of about 0.0%). These figures were last updated on June 15, 2026.
How rare is the Professor Oak's New Theory card?
As an Uncommon card, Professor Oak's New Theory sits just above commons in print frequency and appears regularly in booster packs.
When was the HeartGold & SoulSilver set released?
The HeartGold & SoulSilver set was released on February 10, 2010.
Are there other printings of Professor Oak's New Theory?
Yes. Professor Oak's New Theory appears on one other card across the catalog. Compare the set, collector number, and rarity to identify a specific copy.