You are very right about the 2002-2010 period though
There are many reasons one might collect cards from the Scarlet & Violet era of the Pokmon TCG, first and foremost is the Terastal phenomenon, and return of 'ex' cards which adds a new, unique strategic consideration to the playing card game
A few PSA 8.5 cards changed hands recently for anywhere between $18,000 to $26,000
Each set lets you play with new combinations of classes and new structures, and they each introduce new puzzles to solve
Rumored to have been originally distributed in packets of gum in Japan in 1997, its blue back and unnumbered printing make it extremely rare
While not as pricey as other Charizard variants, its sale shows even lesser-known vintage Charizards hold significant vintage Pokmon card value