The biggest hobby - Charizards, vintage WOTC and modern chase cards.https://www.theorycards.org.uk/en-gbSat, 26 Sep 2026 08:30:01 GMTeditor@theorycards.org.uk (Theory Cards)editor@theorycards.org.uk (Theory Cards)Copyright 2026 Theory Cards60https://www.theorycards.org.uk/images/theorycards-logo.pnghttps://www.theorycards.org.uk/https://www.theorycards.org.uk/how-to-identify-holo-pattern-by-era/https://www.theorycards.org.uk/how-to-identify-holo-pattern-by-era/The foil texture under a Pokémon card's holo layer changes with printing technology, and learning to read it is one of the simplest ways to date a card and spot something that doesn't belong.Sat, 26 Sep 2026 08:30:01 GMTTheory CardsPokémonhttps://www.theorycards.org.uk/first-edition-shadowless-unlimited-print-runs-explained/https://www.theorycards.org.uk/first-edition-shadowless-unlimited-print-runs-explained/Base Set collectors talk constantly about First Edition, Shadowless and Unlimited cards, but the differences come down to small printing details that matter a great deal to value.Tue, 22 Sep 2026 08:30:02 GMTTheory CardsPokémonhttps://www.theorycards.org.uk/most-expensive-pokemon-cards-ever-sold/https://www.theorycards.org.uk/most-expensive-pokemon-cards-ever-sold/A £12.2m Pikachu now sits at the top of the entire hobby. Inside the record that rewrote the card market.Wed, 02 Sep 2026 09:00:00 GMTTheory CardsPokémonhttps://www.theorycards.org.uk/how-to-spot-a-fake-pokemon-card/https://www.theorycards.org.uk/how-to-spot-a-fake-pokemon-card/Counterfeits have never been more convincing. The tells that separate a genuine card from a fake - before you pay.Mon, 24 Aug 2026 09:00:00 GMTTheory CardsPokémonhttps://www.theorycards.org.uk/what-makes-a-pokemon-card-valuable/https://www.theorycards.org.uk/what-makes-a-pokemon-card-valuable/Rarity, grade, print run and hype - the real levers behind a card's price, explained.Sat, 22 Aug 2026 09:00:00 GMTTheory CardsPokémon