Card detail

Professor Oak's New Theory 101/123 price

Set
HeartGold & SoulSilver
Number
101/123
Rarity
Uncommon
Illustrator
Ken Sugimori
Scan My Copy

Watch to save to Binder. Scan to open camera for fast front/back pics to add to Binder.

Market Estimate

Price confidence details

Estimate details

This estimate needs refresh; last checked Jun 15, 2026. Treat it as historical guidance until fresh market data is available.

Confidence Low

Accepted sales 1

Low source diversity, Sparse or noisy recent sales

$2 flat over the current window.

Graded estimates

GradeEstimateConfidenceSales
PSA 10$51Low1
PSA 9$19Low1

Pricing method

BinderLens pricing is tuned for pre-grading decisions: recent sales are normalized, obvious outliers are capped, sparse data is dampened, and one last sale cannot whipsaw the estimate.

Related cards

Compare nearby numbers and alternate printings before you commit to a scan or report.