Theory Cards: Market & InvestingPrice moves, auction records and what holds value.https://www.theorycards.org.uk/en-gbWed, 30 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.pngTheory Cards: Market & Investinghttps://www.theorycards.org.uk/What 'Pop 1' Means - and Why It's Not the Same as Uniquehttps://www.theorycards.org.uk/what-pop-1-means-and-why-its-not-unique/https://www.theorycards.org.uk/what-pop-1-means-and-why-its-not-unique/Population reports are one of the most misunderstood tools in card collecting, and 'pop 1' is the most misused term of all.Wed, 30 Sep 2026 08:30:01 GMTTheory CardsMarket & InvestingHow Auction House Fees and Buyer Premiums Actually Workhttps://www.theorycards.org.uk/how-auction-house-fees-and-buyer-premiums-work/https://www.theorycards.org.uk/how-auction-house-fees-and-buyer-premiums-work/Winning the bid is only half the cost — here's how buyer's premiums, seller's commission and VAT combine to set the real price of a card at auction.Mon, 28 Sep 2026 08:30:01 GMTTheory CardsMarket & InvestingWhy Population Reports Matter More Than Rarity Symbolshttps://www.theorycards.org.uk/why-population-reports-matter-more-than-rarity-symbols/https://www.theorycards.org.uk/why-population-reports-matter-more-than-rarity-symbols/A printed star or circle on a card tells you almost nothing about how many exist in top condition; a grading company's population report tells you a great deal more, provided you know how to read it.Sun, 27 Sep 2026 08:30:01 GMTTheory CardsMarket & InvestingWhy the Trading Card Market Boomed - and Where It's Headinghttps://www.theorycards.org.uk/trading-card-market-boom-where-next/https://www.theorycards.org.uk/trading-card-market-boom-where-next/Record sales, new money and a maturing hobby. What the headline numbers really tell us.Sat, 15 Aug 2026 09:00:00 GMTTheory CardsMarket & Investing