Grade Matrix
Graded
PSA 6
-
Grade 7 guide
-
Grade 8 guide
-
Grade 9 guide
$74
PSA 10
$50
PSA 10: 1 sale, last 45 days · Sep 23, 2026 · checked Oct 27, 2026
Grade 9: No recent PSA 9 sales. PriceCharting Grade 9 guide, mixing PSA, CGC, BGS, SGC and TAG 9s.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
-
CGC 9
-
CGC 10
$11
CGC P10
-
Availability
Availabilityi
7/10G: 5/y
Graded: ~5 sales/yr (extremely low) · Sales per year: ~18 sales/yr · Recent sales: 1 PSA 10 comp · Raw recent sales: 56 · Grade 9 recent sales: 6 · PSA 10 recent sales: 14 · Graded copies: 66
TCGplayer Price History
HolofoilProduct 528020Fetched Oct 26, 4:02 AM
Weekly market
$0.33
week ending Oct 26
Weekly avg sale
$0.00
week ending Oct 26
Units sold (week)
0
week ending Oct 26
Card Value FAQ
How much is a PSA 10 Professor Oak (TCG Classic: Blastoise Deck #25) worth?
A PSA 10 Professor Oak (TCG Classic: Blastoise Deck #25) is currently shown at $50.00, the only PSA 10 sale in the last 45 days (Sep 23, 2026).
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Sep 23, 2026 | 2023 Pokemon CLB EN Professor Oak #25 PSA 10 025/034 | $50.00 |