Professor Oak's New Theory
Illustrated by Ken Sugimori · HeartGold & SoulSilver series
Raw Market Value
$3.48
range $0.50 – $3.48
via TCGPlayer
Top graded value
$72.00
PSA 10
from real sold listings
16 recent sales tracked (180d).
Price History
Daily average sale price from eBay sold listings.
180d change
+$18.51 (+619.1%)
7D30D90D180D
Graded Prices
Verified prices across 2 grading services.
PSA
| Grade | Type | Low | Mid | High | Market |
|---|---|---|---|---|---|
| PSA 10 | normal | $50.00 | $50.00 | $50.00 | $50.00 |
| PSA 10 | reverseHolofoil | $72.00 | $72.00 | $72.00 | $72.00 |
| PSA 9 | reverseHolofoil | $10.00 | $26.00 | $50.00 | $19.45 |
| PSA 8 | reverseHolofoil | $10.00 | $10.00 | $10.00 | $10.00 |
| PSA 6 | reverseHolofoil | $14.00 | $14.00 | $14.00 | $14.00 |
CGC
| Grade | Type | Low | Mid | High | Market |
|---|---|---|---|---|---|
| CGC 9.5 | reverseHolofoil | $12.00 | $12.00 | $12.00 | $12.00 |
| CGC 1 | normal | $21.50 | $21.50 | $21.50 | $21.50 |
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Recent Sales onebay
Real sold listings, most recent first.
- Aug 8, 2026$21.50
- May 22, 2026$1.45
- May 19, 2026$1.49
Final sold amounts in USD. Outbound links open the original eBay listing.
Other Professor Oak's New Theory prints
Different printings across sets.
