Grade Matrix
PSA
PSA 6
$10
PSA 7
$11
PSA 8
$28
PSA 9
$32
PSA 10
$407
PSA 10: PriceCharting; last PSA 10 sale Jul 9, 2026
CGC
CGC 8
-
CGC 9
-
CGC 10
$56
CGC P10
-
Availability
Availabilityi
7/10G: 3/y
Graded: ~3 sales/yr (extremely low) · Sales per year: ~94 sales/yr · Recent sales: 2 PSA 10 comps · Graded copies: 892
TCGplayer Price History
NormalProduct 107070
No Normal price series for this product. Available: 1st Edition, Unlimited.
Card Value FAQ
How much is Imposter Professor Oak (Base Set #73) worth?
GemDelta shows Imposter Professor Oak (Base Set #73) at $13.35 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 30.5x.
How much is a PSA 10 Imposter Professor Oak (Base Set #73) worth?
A PSA 10 Imposter Professor Oak (Base Set #73) is currently shown at $407. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
Is Imposter Professor Oak (Base Set #73) worth grading?
GemDelta records a 20.5% gem rate for Imposter Professor Oak (Base Set #73), with 183 PSA 10 copies out of 892 total PSA grades and a 30.5x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Sale |
|---|---|
| Jul 9, 2026 | $334.00 |
| Jul 3, 2026 | $480.00 |