Professor Oak's New Theory
Illustrated by Ken Sugimori · HeartGold & SoulSilver series
Raw Market Value
$6.92
range $0.99 – $7.50
via TCGPlayer
Top graded value
$999.95
PSA 10
from real sold listings
21 recent sales tracked (180d).
Price History
Daily average sale price from eBay sold listings.
180d change
-$0.65 (-42.2%)
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 9 | reverseHolofoil | $49.99 | $49.99 | $49.99 | $49.99 |
| 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.
- Aug 11, 2026$0.89
- Aug 2, 2026$1.99
- Jul 30, 2026$2.00
- May 21, 2026$2.50
Final sold amounts in USD. Outbound links open the original eBay listing.
Other Professor Oak's New Theory prints
Different printings across sets.
