Home / Base Set / Imposter Professor Oak #73

Imposter Professor Oak #73 Pokémon Card from Pokemon Base Set Set

Imposter Professor Oak #73

Pokemon Base Set

Value & Grades

Raw

$5.00

PSA 7

$22.00

95 pop

PSA 8

$26.93

187 pop

PSA 9

$47.00

▲ $12.62 30d

312 pop

PSA 9.5

$52.00

PSA 10

$332.68

▲ $115.44 30d

183 pop

PSA 9 vs PSA 10: a PSA 10 sells for $332.68, 7.1x the PSA 9 price of $47.00, with 183 PSA 10s and 312 PSA 9s graded.

Volume: Top 20%

Gem Mint · Other Companies

BGS 10

$432.00

CGC 10

$95.37

SGC 10

$200.00

Watch this card

Get one email if it hits your price. No account needed.

$

Watching is free · Premium gets instant push alerts on up to 50 cards + ad-free browsing

💡 Thinking of grading? Run the numbers → Compare grading companies (PSA · BGS · CGC · SGC) →

PSA 10 price & pop → Should you grade it? →

Every Base Set card's PSA population →

Before you pay PSA $80: the September 2026 Grade Report ranks the 30 most profitable cards to grade right now, by expected profit. See the list → Don't want to deal with grading submissions yourself? Our Grading Concierge handles it →

Market values aggregated from recent eBay sold listings · updated yesterday

Price History

Raw PSA 10

907 graded by PSA

View eBay Listings Buy on TCGplayer PSA Calculator

Population Distribution

PSA 10 183

PSA 9 312

PSA 8 187

PSA 7 95

PSA 6 79

PSA 5 25

PSA 4 10

PSA 3 7

PSA 2 3

PSA 1 3

Affiliate Disclosure: As an eBay Partner Network affiliate, PokeInvest earns from qualifying purchases made through eBay links on this page.

eBay Listings BETA

Loading eBay listings...

View More on eBay

Similar Cards

Fire Energy [1999-2000] #98 from Pokemon Base Set set

Fire Energy [1999-2000] #98

Psychic Energy [1999-2000] #101 from Pokemon Base Set set

Psychic Energy [1999-2000] #101

Water Energy [1999-2000] #102 from Pokemon Base Set set

Water Energy [1999-2000] #102

Double Colorless Energy [1999-2000] #96 from Pokemon Base Set set

Double Colorless Energy [1999-2000] #96

Clefairy [Red Heart Error] #5 from Pokemon Base Set set

Clefairy [Red Heart Error] #5

Booster Pack from Pokemon Base Set set