Imposter Professor Oak #73
SetBase Set
Year1999
Ungraded
$5.99−$1.01
290 sales · last Aug 3, 2026
CGC 0.5
$7.50
2 sales · last Aug 22, 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
$7.00
2 sales · last Aug 12, 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−$15.04
13 sales · last Aug 17, 2026
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 456 recorded sales for this card across 18 grade tiers, 4 of them in the last 90 days. PSA 10 copies have a 90-day median of $350.00. Ungraded copies currently trade around $5.99. The top grade commands 58× 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 ($5.99) — a rough read on whether grading pays off.
CGC 0.5
1.3×
$7.50
PSA 3
4.0×
$24.01
PSA 4
1.5×
$8.96
PSA 5
1.3×
$7.50
PSA 6
1.8×
$11.00
CGC 6.5
1.2×
$7.00
Grade 7
3.1×
$18.66
PSA 7
3.1×
$18.50
Grade 8
2.3×
$13.50
PSA 8
6.7×
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 | 5mo ago | $4.00↗ |
| Pokemon TCG Imposter Professor Oak #73/102 Base Set 1 1999 Vintage fischstik | eBay | 5mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 1 | $6.00 | $6.00 |
| CGC 0.5 | 1 | $8.00 | $8.00 |
| CGC 6.5 | 1 | $8.00 | $8.00 |
| CGC 9 | 1 | $16.80 | $16.80 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Aug 22, 2026 | CGC 0.5 | 1999 Pokemon Base Set Imposter Professor Oak #73 CGC AUTH | Fanatics Vault | $8.00 |
| Aug 17, 2026 | CGC 9 | 1999 Pokemon Base Set Imposter Professor Oak #73 CGC 9 MINT | — | $16.80 |
| Aug 12, 2026 | CGC 6.5 | 1999 Pokemon Base Set Imposter Professor Oak #73 CGC 6.5 EXMT+ | Fanatics Vault | $8.00 |
| Aug 3, 2026 | Ungraded | 1999 Pokemon Base Set Imposter Professor Oak #73 CGC AUTH | — | $6.00 |
| Jul 22, 2026 | Ungraded | Imposter Professor Oak 73/102 Rare Base Set Unlimited Pokemon MP↗ | eBay | $4.49 |
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