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Professor Oak's Research — recent sales (18)
The 18 most recent recorded sales of Professor Oak's Research from Expedition Base Set, tagged by grade — the real prices this card has sold for. The interactive chart above plots the full price history.
| Date | Grade | Marketplace | Price (USD) |
|---|---|---|---|
| Jun 9, 2026 | BGS 10 | eBay | $50.4 |
| Jun 9, 2026 | CGC 10 | eBay | $50.4 |
| Jun 9, 2026 | PSA 10 | eBay | $56 |
| Jun 9, 2026 | Raw | eBay | $7.78 |
| May 22, 2026 | Raw | Yahoo_jp | $0.62 |
| May 3, 2026 | Raw | Mercari_jp | $5.58 |
| Apr 14, 2026 | Raw | Mercari_jp | $7.32 |
| Apr 2, 2026 | Raw | Mercari_jp | $6.08 |
| Mar 15, 2026 | Raw | Yahoo_jp | $3.2 |
| Mar 7, 2026 | Raw | Mercari_jp | $6.2 |
| Feb 28, 2026 | Raw | Mercari_jp | $4.13 |
| Feb 21, 2026 | Raw | Mercari_jp | $4.65 |
| Jan 27, 2026 | Raw | Mercari_jp | $6.82 |
| Dec 3, 2025 | Raw | Mercari_jp | $7.44 |
| Nov 24, 2025 | Raw | Mercari_jp | $3.44 |
| Sep 26, 2025 | Raw | Mercari_jp | $5.8 |
| Sep 15, 2025 | Raw | Mercari_jp | $4.34 |
| Aug 27, 2025 | Raw | Mercari_jp | $4.34 |