Is the sleeve a bit too loose and so the cards constantly fall out at the slightest provocation (and maybe get bent somehow on the way)
Yes first edition, holographic, and rare promotional cards are highly sought after and can fetch thousands to hundreds of thousands of pounds at auction
But sales figures on the website Price Charting suggest that, if the card is in good nick, even the most common first edition Pokmon cards, a Weedle or Caterpie, can go for a couple of hundred dollars
You can instantly see the lowest price for a Near Mint copy, the cheapest Lightly Played copy, etc
Nowhere was this more obvious than in perhaps the best of Kelleys deck choices, Box of Disaster, which was particularly effective in neutralising some of the key strategies of Reklevs Gardevoir deck