Home / HeartGold & SoulSilver / Professor Oak's New Theory #101
Professor Oak's New Theory #101 Pokémon Card from Pokemon HeartGold & SoulSilver Set

Professor Oak's New Theory #101

Pokemon HeartGold & SoulSilver
Market price
$0.57
3 sales · latest last week
Sales we held out are listed below, not counted here.
3 sold in 4 days · latest last week
$0.53 $0.58
$0.53 last week Professor Oak's New Theory · Lightly Played · Normal · English $0.57 2 weeks ago Professor Oak's New Theory · Moderately Played · Normal · English $0.58 2 weeks ago Professor Oak's New Theory · Lightly Played · Normal · English

Every sale is a completed listing. Click any line to open it.

Price by grade
1 from real sales · 4 est
Grade PSA CGC BGS SGC
10
$45.73
est · pop 2
$27.00
est · pop 5
$59.00
est
$27.00
est

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Sales volume: Top 40% of cards
View eBay Listings Buy on TCGplayer Should I grade it?
Price History
Raw PSA 10
Graded by
PSA
20
graded
2
2 in PSA 10 — too few graded to quote a rate
CGC
47
graded
12.8%
6 at 10 or better
How CGC grades work
CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.
Pristine 10 1 Gem Mint 10 5 9.5 2 9 10

These are two different pools of submissions, so this compares what each grader did, not what either would do with the same card.

Population Distribution

PSA 10 2
PSA 9 15
PSA 8 3
PSA 7 0
PSA 6 0
PSA 5 0
PSA 4 0
PSA 3 0
PSA 2 0
PSA 1 0

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More on this card: Compare graders PSA 10 price & pop Should you grade it? HeartGold & SoulSilver PSA population