Vintage
Impostor Professor Oak
Base · #73 · English · released 1999
Raw market price
$23
30 days
▲ 7.9%
90 days
▲ 32.8%
Graded prices & PSA population
| Grade | Market price | PSA population |
|---|---|---|
| PSA 10 | $360 | 87 |
| PSA 9 | $80 | 142 |
| PSA 8 | $28 | 69 |
PSA population recorded 2026-07-20 · total graded 411
Why this card matters
pop
PSA 10 commands a 24x premium over raw and only 3 comp sales exist, signaling genuinely thin gem-mint supply across just 23 total listings.
demand
Impostor Professor Oak is a beloved Base Set troll card with strong nostalgia pull, though it lacks the mass-market icon status of Charizard or Blastoise.
artist
Standard Ken Sugimori Base Set illustration — competent and era-defining but not a sought-after alt-art or chase illustration driving collector premiums.
catalyst
6.1% 30-day momentum is positive but modest, and with only 3 PSA 10 comps the trend is too thin a sample to treat as durable.
Graded comps on record
$360
PSA 10
$95
CGC 10
$80
PSA 9
$39
CGC 10
$35
PSA 5
$34
PSA 7
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More from Base
Market data recorded 2026-07-10 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.