Pokémon TCG · World Championship Decks · #83
Professor Oak's New Theory - 2011 (Ross Cawthon) #83 price
World Championship Decks83Market prices
Professor Oak's New Theory - 2011 (Ross Cawthon) (#83, Uncommon) is a card from Pokémon set World Championship Decks. Near Mint, it has a market price of about $0.85 on TCGplayer; the lowest Cardmarket listing is from €10.00 (updated November 12, 2026). Over the last 7 days, its TCGplayer market price rose 0.0%. Over the last 30 days, its TCGplayer market price rose 0.0%. Over the last 90 days, its TCGplayer market price rose 0.0%. Its 90-day TCGplayer market price range is $0.85 to $0.85. Among the 1056 Uncommon cards of World Championship Decks, it is the 638th most valuable.
Professor Oak's New Theory - 2011 (Ross Cawthon) #83 prices by finish
| Finish | TCGplayer | Cardmarket |
|---|---|---|
| Normal | $0.85 | from €10.00 |
Near Mint prices: TCGplayer market price, lowest Cardmarket listing, updated November 12, 2026. “From” marks a lowest listing: an asking price, not a market value.
Price changes by finish
| Finish | Price | 7 days | 30 days | 90 days | 90-day range |
|---|---|---|---|---|---|
| Normal | TCGplayer market price | +0.0% | +0.0% | +0.0% | $0.85 – $0.85 |
Change of the same Near Mint price (same market, same finish) against 7, 30 and 90 days ago; range: its lowest and highest daily value over the last 90 days. Only where the price history supports a figure; lowest listings have none.
Price charts, graded prices from PSA, CGC, BGS, SGC, TAG and ACE, PSA population counts and recent sold listings are in Sparkl Pro.
About this card
- Number
- 83
- Rarity
- Uncommon
- Finishes
- Normal
- Rank in its rarity
- 638th of 1056 Uncommon cards
- Against its rarity’s median
- 0.8× the median ($1.00)
- Released
- July 1, 2018
- Print language
- English
How this page is made: Near Mint prices from TCGplayer and Cardmarket, refreshed daily; ranks, medians and comparisons are computed by Sparkl from those prices.
You are viewing the free public price page
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Most valuable World Championship Decks cards
- Latias Star - 2006 (Hiroki Yano)#105 · Ultra Rare · $400.00Open in Sparkl
- Mew Star (Delta Species) - 2008 (Dylan Lefavour)#101 · Ultra Rare · $285.00Open in Sparkl
- Jolteon Star - 2008 (Jason Klaczynski)#101 · Rare · $181.66Open in Sparkl
- Lugia ex - 2006 (Hiroki Yano)#105 · Ultra Rare · $127.99Open in Sparkl
- Jolteon Star - 2007 (Tom Roos)#101 · Rare · $117.67Open in Sparkl
- Umbreon ex - 2006 (Jimmy Ballard)#112 · Ultra Rare · $108.49Open in Sparkl
The 10 most valuable · See all 1956 cards in World Championship Decks
Next to Professor Oak's New Theory - 2011 (Ross Cawthon) #83 in World Championship Decks
- Steven's Advice - 2008 (Dylan Lefavour)#83 · Uncommon · $2.58Open in Sparkl
- Steven's Advice - 2008 (Tristan Robinson)#83 · Uncommon · $3.99Open in Sparkl
- Steven's Advice - 2008 (Jason Klaczynski)#83 · Uncommon · $2.07Open in Sparkl
- Professor Oak's New Theory - 2012 (Zachary Bokhari)#83 · Uncommon · $0.40Open in Sparkl
- Professor Oak's New Theory - 2012 (Chase Moloney)#83 · Uncommon · $1.25Open in Sparkl
- Professor Oak's New Theory - 2012 (Shuto Itagaki)#83 · Uncommon · $1.00Open in Sparkl