Grade Matrix
PSA
PSA 6
$8
PSA 7
$15
PSA 8
$23
PSA 9
$48
PSA 10
$149
PSA 10: 45-day PSA 10 sold-comp median
CGC
CGC 8
-
CGC 9
$33
CGC 10
$60
CGC P10
$150
Availability
Availabilityi
1/10G: —
Graded: insufficient data · Sales per year: ~203 sales/yr · Recent sales: 7 PSA 10 comps · Graded copies: 1,299 · PSA-10 delta 21.9%
TCGplayer Price History
NormalProduct 42431Fetched Sep 7, 3:30 AM
TCGplayer market
$1.85
Latest avg sale
$0.90
Units sold
4,036
Card Value FAQ
How much is Professor Oak (Base Set #88) worth?
GemDelta shows Professor Oak (Base Set #88) at $1.90 market price (TCGplayer market). Its Delta multiple is 74.1x.
How much is a PSA 10 Professor Oak (Base Set #88) worth?
A PSA 10 Professor Oak (Base Set #88) is currently shown at $149. GemDelta labels this as a 45-day PSA 10 sold-comp median.
Is Professor Oak (Base Set #88) worth grading?
GemDelta records a 23.3% gem rate for Professor Oak (Base Set #88), with 303 PSA 10 copies out of 1,299 total PSA grades and a 74.1x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Sale |
|---|---|
| Aug 12, 2026 | $101.54 |
| Aug 12, 2026 | $148.92 |
| Aug 12, 2026 | $162.44 |
| Jul 24, 2026 | $86.55 |
| Jul 14, 2026 | $130.00 |
| Jun 18, 2026 | $174.99 |
| May 21, 2026 | $112.50 |
| May 10, 2026 | $106.66 |
| Apr 20, 2026 | $138.06 |
| Apr 16, 2026 | $130.00 |
| Mar 26, 2026 | $129.99 |
| Mar 16, 2026 | $129.99 |
Showing the latest 12 of 13 stored PSA 10 comps.