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Gradesclick to toggle line · max 3 (oldest drops)
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Professor's Research — recent sales (16)
The 16 most recent recorded sales of Professor's Research from Sword & Shield Family Pokémon Card Game, 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) |
|---|---|---|---|
| May 31, 2026 | Raw | Yahoo_jp | $5.55 |
| May 5, 2026 | Raw | Yahoo_jp | $9.63 |
| May 4, 2026 | Raw | Yahoo_jp | $3.13 |
| Apr 27, 2026 | Raw | Yahoo_jp | $75.38 |
| Apr 11, 2026 | Raw | Yahoo_jp | $68.81 |
| Apr 7, 2026 | Raw | Yahoo_jp | $62.55 |
| Mar 28, 2026 | Raw | Yahoo_jp | $13.14 |
| Mar 17, 2026 | Raw | Yahoo_jp | $65.68 |
| Mar 15, 2026 | Raw | Yahoo_jp | $37.53 |
| Mar 14, 2026 | Raw | Yahoo_jp | $3.5 |
| Mar 13, 2026 | Raw | Yahoo_jp | $68.81 |
| Mar 13, 2026 | Raw | Yahoo_jp | $68.81 |
| Mar 13, 2026 | Raw | Yahoo_jp | $68.81 |
| Feb 24, 2026 | Raw | Yahoo_jp | $6.26 |
| Jan 3, 2026 | Raw | Yahoo_jp | $37.53 |
| Dec 20, 2025 | Raw | Yahoo_jp | $34.41 |