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Professor's Research — recent sales (20)
The 20 most recent recorded sales of Professor's Research from Celebrations, 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 28, 2026 | Raw | Ebay | $1.99 |
| Jun 27, 2026 | Raw | Ebay | $1.83 |
| Jun 22, 2026 | Raw | Ebay | $2.82 |
| Jun 19, 2026 | Raw | Ebay | $1.99 |
| Jun 16, 2026 | Raw | Ebay | $2.46 |
| Jun 3, 2026 | PSA 10 | Ebay | $70.62 |
| Jun 2, 2026 | Raw | Ebay | $1.05 |
| May 21, 2026 | Raw | Ebay | $2.99 |
| May 21, 2026 | Raw | Ebay | $2.95 |
| May 16, 2026 | Raw | Ebay | $1.72 |
| May 7, 2026 | Raw | Ebay | $18 |
| Apr 20, 2026 | Raw | Ebay | $0.99 |
| Apr 12, 2026 | Raw | Ebay | $1.15 |
| Apr 10, 2026 | Raw | Ebay | $3.41 |
| Apr 9, 2026 | Raw | Ebay | $3.52 |
| Apr 8, 2026 | Raw | Ebay | $1.15 |
| Mar 31, 2026 | PSA 10 | Ebay | $36 |
| Apr 28, 2024 | PSA 5 | Ebay | $10 |
| Apr 28, 2024 | PSA 9 | Ebay | $11 |
| Apr 28, 2024 | PSA 9 | Ebay | $13 |