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Professor Oak's New Theory - 2011 (Ross Cawthon) World Championship Decks Pokemon card
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Professor Oak's New Theory - 2011 (Ross Cawthon)

World Championship Decks · Pokemon · #83 · Uncommon

Professor Oak's New Theory - 2011 (Ross Cawthon) (#83) is a Uncommon card from the World Championship Decks set in Pokemon. Its current raw market value is $1.37, last updated June 11, 2026. A PSA 10 graded copy runs about $49.97 — roughly 36.5× the raw price.

Market Price

$1.37

Source: tcgplayer · Updated June 11, 2026

Graded Prices

Grade 8$9.95
Grade 9$9.95
Grade 9.5$11.00
PSA 10$49.97
BGS 10$65.00
CGC 10$40.00
SGC 10$30.00

Card Details

Game
Pokemon
Set
World Championship Decks
Card Number
83
Rarity
Uncommon
Language
English

Frequently asked questions

How much is Professor Oak's New Theory - 2011 (Ross Cawthon) worth?

Professor Oak's New Theory - 2011 (Ross Cawthon) from World Championship Decks (Pokemon) has a current raw market price of $1.37, last updated June 11, 2026. A PSA 10 graded copy is worth about $49.97.

Is Professor Oak's New Theory - 2011 (Ross Cawthon) worth grading?

A PSA 10 Professor Oak's New Theory - 2011 (Ross Cawthon) is valued around $49.97 versus $1.37 raw — a premium of roughly 36.5×. Grading tends to pay off when that premium comfortably exceeds grading costs and the card is likely to earn a high grade.

Where can I buy or sell Professor Oak's New Theory - 2011 (Ross Cawthon)?

You can view current Professor Oak's New Theory - 2011 (Ross Cawthon) listings on TCGPlayer. VendBuddy tracks live Pokemon market prices so card show vendors can confidently buy and sell Professor Oak's New Theory - 2011 (Ross Cawthon) and thousands of other cards.

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