Base Set 1st EditionBase · 1999

Imposter Professor Oak

#73Normal · UnlimitedUpdated Oct 27, 2026

TCGPlayer market

$28.24

Cardmarket: €12.18
PSA 10: $376.99
PSA 9: $212.37
PSA population: 427

Finish

Market prices

Ungraded prices from each marketplace we track, with sales activity where available.

SourcePriceSalesLast salePer weekSignal

TCGPlayer Market USD

$28.24

TCGPlayer Market

USD

$28.24

—

eBay Average USD

$51.01

4 sales1.6/weeklow confidence

eBay Average

USD

$51.01

4

—

1.6

low confidence

eBay Sold USD

$45.30

1 sales

eBay Sold

USD

$45.30

1

—

Cardmarket EUR

€12.18

Cardmarket

EUR

€12.18

—

Graded prices

Average sold price by grading company and grade.

GradeAverage sold price

Grade 10: $376.9922 sold▲
Grade 9: $212.3720 sold▲
Grade 8: $92.627 sold▲
Grade 7: $27.443 sold

Grader	10	9.5	9	8.5	8	7
PSA	$37722 sold▲	–	$21220 sold▲	–	$92.627 sold▲	$27.443 sold
CGC	–	$55.683 sold▲	$30.484 sold▼	$12.065 sold	$15.41	–

Population report

How many copies each grading company has graded, and at which grade.

PSA graded

427

20.6%

Gem rate

1

2

13

18

31

53

75

143

88

12345678910

Authentic 1Match confidence: high

Price by condition

Ungraded market price for each printing, from Near Mint down to Damaged.

Unlimited

NM

Near Mint

$28.51

LP

Lightly Played

$12.45

MP

Moderately Played

$7.08

HP

Heavily Played

$4.90

DM

Damaged

$4.82

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About Imposter Professor Oak

Imposter Professor Oak is a Pokémon card (#73) from Base Set 1st Edition, part of the Base series, released in 1999.

An ungraded copy currently sells for about $28.24. A PSA 10 (Gem Mint) averages $376.99 — about 13.3× the raw price.

PSA has graded 427 copies, 88 of them at PSA 10 (a 20.6% gem rate). Fewer tens usually means a larger premium for a top-graded copy.

PokiFrame tracks Imposter Professor Oak across TCGPlayer, Cardmarket and eBay sales so you can check its value before you buy, sell or trade.

Browse every Base Set 1st Edition card →

Imposter Professor Oak — common questions

How much is Imposter Professor Oak worth?: Imposter Professor Oak from Base Set 1st Edition has a market price of $28.24 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
What is a PSA 10 Imposter Professor Oak worth?: Recent PSA 10 (Gem Mint) sales of Imposter Professor Oak averaged $376.99, about 13.3× the ungraded price. A PSA 9 averaged $212.37.
How many PSA 10 Imposter Professor Oak are there?: PSA has graded 427 copies of Imposter Professor Oak, and 88 of them received a PSA 10 — a gem rate of 20.6%.

Market

$23.80

Low$1.00