Sets
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HeartGold & SoulSilver
Professor Oak's New Theory
101/123 · Unlimited · Reverse Holo
$6.99
RAW · ungraded · USD
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Number
101/123
Group
Main set
Printing
Unlimited
Variant
Reverse Holo
Rarity
uncommon
Illustrator
Ken Sugimori
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Professor Oak's New Theory 101/123
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Professor Oak's New Theory 101/123
Prices checked
Oct 20, 2026
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Data from TCGscreener
Professor Oak's New Theory 101/123 · Unlimited · Reverse Holo — HeartGold & SoulSilver | HobbyScan
