Imposter Professor Oak — Expansion Pack
Rare · Expansion Pack
Japanese Imposter Professor Oak Expansion Pack price today: $4.39 raw, $53.00 PSA 9, $584 PSA 10. PSA pop 230 (27% gem). Updated Oct 25.
Imposter Professor Oak price
- Current raw price: $4.39 (as of 2026-10-26)
- Past month: -$1.15 (-21%) from $5.54
- Past 3 months: -$0.85 (-16%) from $5.24
- Past year: -$2.86 (-39%) from $7.25
- 1-year high: $11.40, low: $3.86
- About 82 sales a year (PriceCharting)
Graded prices
| Grade | Price |
|---|---|
| Raw | $4.39 |
| PSA 8 | $47.78 |
| PSA 9 | $53.00 |
| PSA 10 | $584.20 |
| BGS 10 | $759.00 |
| CGC 10 | $88.00 |
PSA 10 premium: 133.1x the raw price.
PSA population
- Total graded: 230
- Gem rate (PSA 10 share): 27%
- Population week: 2026-10-26
| Grade | Graded |
|---|---|
| PSA 1 | 1 |
| PSA 4 | 5 |
| PSA 5 | 6 |
| PSA 6 | 9 |
| PSA 7 | 17 |
| PSA 8 | 45 |
| PSA 9 | 84 |
| PSA 10 | 63 |
eBay sales by month
26 matched eBay sales in the last 24 months.
| Month | Graded | Raw | Median graded | Median raw |
|---|---|---|---|---|
| 2026-07 | 1 | 6 | $510.00 | $7.99 |
| 2026-08 | 5 | 8 | $56.00 | $6.99 |
| 2026-09 | 2 | 4 | $306.75 | $3.14 |