Home / Japanese HeartGold Collection / Professor Oak's New Theory #68
Professor Oak's New Theory #68 Pokémon Card from Pokemon Japanese HeartGold Collection Set

Professor Oak's New Theory #68

Pokemon Japanese HeartGold Collection
Raw
$1.99
Grade 9
$26.99
Grade 9.5
$30.00
PSA 10
$82.65

PSA 10 sells for 3.1× a graded 9 ($82.65 vs $26.99).

Sales volume: Bottom 20% of cards
10s at other graders
BGS 10
$107.00
CGC 10
$33.00
SGC 10
$50.00
Prices from recent eBay sales · updated yesterday
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Price History
Raw PSA 10
Not graded by PSA as of October 2026 — no copies of this card have been submitted, so there is no population to report.
Graded by
PSA
0
graded
0
0 in PSA 10 — too few graded to quote a rate
CGC
16
graded
10
10 at 10 or better — too few graded to quote a rate
How CGC grades work
CGC grades above 9: Pristine sits above Gem Mint, Perfect above that.
Pristine 10 5 Gem Mint 10 5 9 2

Population Distribution

No PSA population data available.

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