Vintage
Impostor Professor Oak
Base · #73 · English · released 1999
Raw market price
$25
7 days
▲ 3%
30 days
▲ 0.8%
90 days
▲ 5.5%
Graded prices & PSA population
| Grade | Market price | PSA population |
|---|---|---|
| PSA 10 | $379 | 87 |
| PSA 9 | $67 | 143 |
| PSA 8 | $29 | 73 |
PSA population recorded 2026-09-05 · total graded 419
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
$379
PSA 10
$96
CGC 10
$67
PSA 9
$38
PSA 7
$31
CGC 10
$30
PSA 2
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More from Base
Market data recorded 2026-08-29 from licensed market sources. MASTER records prices daily and never invents a number — estimated values are always labeled. Not financial advice.