The 2001 Tropical Wind card with Psyduck, Cleffa, and Smoochum chilling in a hammock has been known to sell for tens of thousands of dollars
Customize with your logo for a sleek, branded solutionall in one compact, convenient sleeve
Only two Rookies have this and you're looking at one of them
Once you have unlocked Sparkles: Gold Flair you can then continue to unlock further more expensive Flair
Note that among the 16 holographic cards in the Base Set, Mewtwo and largerbackground cards like Blastoise are especially likely to showcase the swirl effect, which displays better on more expansive backgrounds
The catch is that one-touches come in a wide range of thicknesses 35pt, 55pt, 75pt, 100pt, 130pt, 180pt, 260pt, and 360pt and a generic "one-size" sleeve ends up too loose on the thinner holders and too tight on the thicker ones