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Professor Oak's New Theory — recent sales (15)
The 15 most recent recorded sales of Professor Oak's New Theory from HeartGold & SoulSilver, 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 17, 2026 | Raw | Ebay | $1.49 |
| Jun 15, 2026 | Raw | Ebay | $2.99 |
| Jun 13, 2026 | Raw | Tcgplayer | $0.44 |
| Jun 13, 2026 | Raw | Tcgplayer | $0.47 |
| Jun 13, 2026 | Raw | Tcgplayer | $0.54 |
| Jun 13, 2026 | Raw | Tcgplayer | $0.5 |
| Jun 13, 2026 | Raw | Tcgplayer | $0.9 |
| Jun 12, 2026 | Raw | Ebay | $1.59 |
| Jun 12, 2026 | Raw | Ebay | $1.79 |
| May 18, 2026 | Raw | Ebay | $1 |
| May 10, 2026 | PSA 10 | Ebay | $1,000 |
| May 10, 2026 | Raw | Ebay | $3.02 |
| Apr 17, 2026 | Raw | Ebay | $1.57 |
| Apr 8, 2026 | Raw | Ebay | $74.97 |
| Mar 30, 2026 | Raw | Ebay | $0.99 |