Imposter Professor Oak #73
SetBase Set
Year1999
Ungraded
$5.02−$0.98
257 sales · last Jul 4, 2026
CGC 0.5
$7.00
1 sales · last Apr 17, 2026
PSA 3
$24.01
2 sales · last Feb 15, 2026
PSA 4
$8.96
1 sales · last Nov 15, 2024
PSA 5
$7.50−$0.35
6 sales · last Jan 12, 2026
PSA 6
$11.00+$1.50
17 sales · last May 7, 2026
CGC 6.5
$6.00
1 sales · last Apr 6, 2026
Grade 7
$18.66
3 sales · last Feb 16, 2026
PSA 7
$18.50+$10.50
14 sales · last Jul 4, 2026
Grade 8
$13.50+$7.50
8 sales · last Apr 13, 2026
PSA 8
$39.99+$8.99
24 sales · last Jun 4, 2026
CGC 8.5
$9.00
2 sales · last May 11, 2026
PSA 9
$53.00+$8.01
32 sales · last Jun 27, 2026
CGC 9
$14.95+$1.75
12 sales · last Dec 15, 2025
BGS 9
$32.50
1 sales · last Sep 13, 2024
CGC 9.5
$15.60
1 sales · last Jul 24, 2023
PSA 10
$350.00+$51.00
29 sales · last Jun 2, 2026
CGC 10
$20.00+$2.60
9 sales · last Jun 19, 2026
Imposter Professor Oak #73 price guide
Imposter Professor Oak #73 is a collectible Pokémon card from the Base Set expansion (1999). Setlot tracks 420 recorded sales for this card across 18 grade tiers, 248 of them in the last 90 days. PSA 10 copies have a 90-day median of $350.00. Ungraded copies currently trade around $5.02. The top grade commands 70× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $657.00 (PSA 10, May 4, 2026). 27 listings are live right now with asks from $4.00.
Price history
Grading premium
Median graded price vs. the ungraded copy ($5.02) — a rough read on whether grading pays off.
CGC 0.5
1.4×
$7.00
PSA 3
4.8×
$24.01
PSA 4
1.8×
$8.96
PSA 5
1.5×
$7.50
PSA 6
2.2×
$11.00
CGC 6.5
1.2×
$6.00
Grade 7
3.7×
$18.66
PSA 7
3.7×
$18.50
Grade 8
2.7×
$13.50
PSA 8
8.0×
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 23 tracked | Pokémon Imposter Professor Oak Base Set Rare 73/102 1999 English Regular Trainer marktscott2 | eBay | 1mo ago | $4.00↗ |
| Pokemon TCG Imposter Professor Oak #73/102 Base Set 1 1999 Vintage fischstik | eBay | 1mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 234 | $5.02 | $0.99 – $27.86 |
| CGC 0.5 | 1 | $7.00 | $7.00 |
| PSA 6 | 3 | $4.99 | $4.99 – $21.50 |
| PSA 7 | 1 | $50.00 | $50.00 |
| PSA 8 | 3 | $20.50 | $16.00 – $50.00 |
| CGC 8.5 | 1 | $8.40 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 4, 2026 | Ungraded | Imposter Professor Oak 73/102 Rare Base Set Unlimited Pokemon MP↗ | eBay | $1.99 |
| Jul 4, 2026 | PSA 7 | 1999 POKEMON BASE SET UNLIMITED #73 IMPOSTER PROFESSOR OAK PSA 7↗ | eBay | $50.00 |
| Jul 4, 2026 | Ungraded | IMPOSTER PROFESSOR OAK 73/102 R BASE SET UNLIMITED POKEMON LP↗ | eBay | $4.11 |
| Jul 4, 2026 | Ungraded | Imposter Professor Oak Base Set 73/102 Rare WOTC Vintage Pokemon TCG - LP↗ | eBay |
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