Professor Oak's New Theory
Illustrated by Ken Sugimori · HeartGold & SoulSilver series
Raw Market Value
$6.92
range $4.00 – $63.10
via TCGPlayer
Top graded value
$999.95
PSA 10
from real sold listings
22 recent sales tracked (180d).
Price History
Daily average sale price from eBay sold listings.
180d change
+$0.89 (+55.3%)
7D30D90D180D
Graded Prices
Verified prices across 2 grading services.
PSA
| Grade | Type | Low | Mid | High | Market |
|---|---|---|---|---|---|
| PSA 10 | normal | $999.95 | $999.95 | $999.95 | $999.95 |
| PSA 9 | normal | $25.00 | $25.00 | $25.00 | $25.00 |
| PSA 7 | normal | $3.39 | $3.39 | $3.39 | $3.39 |
CGC
| Grade | Type | Low | Mid | High | Market |
|---|---|---|---|---|---|
| CGC 8.5 | reverseHolofoil | $24.00 | $24.00 | $24.00 | $24.00 |
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Recent Sales onebay
Real sold listings, most recent first.
- May 21, 2026$2.50
- May 10, 2026$999.95
- May 9, 2026$1.99
- May 6, 2026$1.66
- May 5, 2026$50.00
- Apr 30, 2026$1.99
- Apr 17, 2026$1.60
- Apr 8, 2026$74.95
- Apr 8, 2026$7.00
- Mar 29, 2026$60.00
- Mar 23, 2026$0.73
- Mar 15, 2026$27.01
- Mar 9, 2026$4.72
- Mar 9, 2026$0.99
- Mar 8, 2026$3.39
- Mar 5, 2026$0.11
- Mar 5, 2026$0.06
- Mar 2, 2026$1.54
Final sold amounts in USD. Outbound links open the original eBay listing.
Other Professor Oak's New Theory prints
Different printings across sets.
