Imposter Professor Oak #4
SetJapanese 25Th Anniversary Promo
Year2021
Ungraded
$7.18+$1.18
47 sales · last Jul 9, 2026
Grade 8
$9.99
1 sales · last Mar 5, 2025
PSA 9
$18.70
3 sales · last Jul 10, 2026
BGS 9.5
$5.50
1 sales · last Oct 27, 2024
PSA 10
$60.00+$13.50
47 sales · last Jul 5, 2026
CGC 10
$21.75
2 sales · last Mar 21, 2026
BGS 10
$84.99
1 sales · last May 5, 2026
CGC Pristine 10
$78.50
2 sales · last May 31, 2026
Imposter Professor Oak #4 price guide
Imposter Professor Oak #4 is a collectible Pokémon card from the Japanese 25Th Anniversary Promo expansion (2021). Setlot tracks 104 recorded sales for this card across 8 grade tiers, 47 of them in the last 90 days. PSA 10 copies have a 90-day median of $60.00. Ungraded copies currently trade around $7.18. The top grade commands 12× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $119.00 (PSA 10, Jun 11, 2026). 16 listings are live right now with asks from $7.23.
Price history
Grading premium
Median graded price vs. the ungraded copy ($7.18) — a rough read on whether grading pays off.
Grade 8
1.4×
$9.99
PSA 9
2.6×
$18.70
BGS 9.5
0.8×
$5.50
PSA 10
8.4×
$60.00
CGC 10
3.0×
$21.75
BGS 10
12×
$84.99
CGC Pristine 10
11×
$78.50
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 12 tracked | Imposter Professor Oak 004/025 25th Anniversary Promo Japanese Pokemon Card - NM ericeatscardboard | eBay | 1mo ago | $7.23↗ |
| Imposter Professor Oak 25th Promo 004/025 s8a-P - 25th Anniversary Pokemon Japan japanesetcg-japan | eBay |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 20 | $7.18 | $1.00 – $11.60 |
| PSA 9 | 2 | $14.32 | $9.93 – $18.70 |
| PSA 10 | 22 | $60.00 | $27.79 – $119.00 |
| BGS 10 | 1 | $84.99 | $84.99 |
| CGC Pristine 10 | 2 | $78.50 | $47.00 – $110.00 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 10, 2026 | PSA 9 | 2021 POKEMON JPN 25TH ANNIVERSARY EDITION #004 IMPOSTER PROFESSOR OAK-HOLO PSA 9↗ | eBay | $18.70 |
| Jul 9, 2026 | Ungraded | Imposter Professor Oak 004/025 Promo 25th Anniversary Pokemon Japanese NM+ Mint↗ | eBay | $7.37 |
| Jul 5, 2026 | PSA 10 | 2021 Pokemon Japanese SWSH Promo 25th Anniversary Holo Imposter Professor Oak #4 PSA 10 GEM | Fanatics Vault | $40.00 |
| Jul 1, 2026 | PSA 10 | PSA 10 Imposter Professor Oak 004/025 25th Anniversary Pokemon Card Japanese↗ | eBay | $84.80 |
