Grade Matrix
PSA
PSA 6
$12
PSA 7
$33
PSA 8
$41
PSA 9
$66
PSA 10
$200
PSA 10: 45-day PSA 10 sold-comp median
CGC
CGC 8
$30
CGC 9
$30
CGC 10
$76
CGC P10
-
Availability
Availabilityi
1/10G: 12/y
Graded: ~12 sales/yr (low) · Sales per year: ~122 sales/yr · Recent sales: 6 PSA 10 comps · Graded copies: 1,369 · PSA-10 delta 17.9%
TCGplayer Price History
NormalProduct 107085
No Normal price series for this product. Available: 1st Edition, Unlimited.
Card Value FAQ
How much is Professor Oak (Base Set #88) worth?
GemDelta shows Professor Oak (Base Set #88) at $3.99 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 50.1x.
How much is a PSA 10 Professor Oak (Base Set #88) worth?
A PSA 10 Professor Oak (Base Set #88) is currently shown at $200. GemDelta labels this as a 45-day PSA 10 sold-comp median.
Is Professor Oak (Base Set #88) worth grading?
GemDelta records a 11.6% gem rate for Professor Oak (Base Set #88), with 159 PSA 10 copies out of 1,369 total PSA grades and a 50.1x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Sale |
|---|---|
| Aug 7, 2026 | $190.00 |
| Jul 27, 2026 | $210.00 |
| Jul 5, 2026 | $169.19 |
| Jun 17, 2026 | $227.50 |
| May 22, 2026 | $465.00 |
| May 17, 2026 | $289.99 |
| Apr 8, 2026 | $550.00 |
| Mar 11, 2026 | $285.00 |
| Feb 22, 2026 | $324.50 |