getting rid of the threat you cared about plus an extra card or two feels amazing
This is a tried-and-true structure that's worked for many players for many years
The box itself is valued between $20,000 (14,000) and $25,000 (17,000), and could potentially contain one of the highly sought after Charizard cards - which, as one of the rarest Pokmon cards in existence, can be worth around $15,000 (10,000) on their own
I also agree with what @pfm said, the focus on the older cert number would likely be the best bet of making sure the stamp is rather legit
Scan any card for prices, rulings, and legality
Plus, most milling effects need to target a player, but with Virtue out, that's not happening