Whether you own a base set holo from 1999, an armored Mewtwo card from 2019, a Mega Mewtwo Y full-art, or a modern special illustration rare from Stellar Crown or Journey Together, the principle is the same: a card that matters deserves protection that matches
Artist Nurikobe deserves a lot of credit for making one of the more basic Eeveelutions look like royalty
Useless counter / marker 1 sheet
This card was distributed exclusively within special commemorative boxes available only at physical retail locations in Japan, making it an immediate target for regional collectors
Lovely art, too
We're going to start with some hard numbers (brought to us by Frank Karsten, because despite his description of "basic" I have no idea what hypergeometric formulas are - hey, I'm a musician, not a mathematician!), then talk about reasons why we might adjust those numbers some based on goals, play styles, and desires