Deux lettres suffisent. Un nom, une extension, ou un numéro comme 199/165.
D'où vient le prix d'une carte, pourquoi la même carte en a deux, et comment lire un chiffre avant d'y croire.
Why card prices change: reprints, rotation, tournament results, grading populations, currency, seasons and social hype, each explained with what it does to a price and how fast. Read the move before you react to it.
Is grading worth it: what PSA, Beckett and CGC do, what it costs, how much a 10 adds against a 9, and the simple calculation that tells you whether a given card should go in a holder.
Cardmarket vs TCGplayer: two markets, two currencies, two ways of computing a price. Why the figures differ by 20 to 40 percent, what each number actually measures, and which one applies to you.
How much is my Pokémon card worth: identify the exact printing, judge the condition, then read a marketplace figure with its date. The method, the traps, and the free tools.
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Zukan la nomme, la cote d'après des données de marché datées, et la compte dans ta collection. Gratuit, sur iPhone et Android.
