how many pokemon packs are in a booster box Pokemon: Scarlet & Violet: 151 Pack Trainer’s Pokémon Break into Battle Booster pack (TCG) - Bulbapedia,

So your investment in Pokemon cards may have been as financially beneficial as Beanie Babies were, but don't throw them away, either, because not all value comes in the form of dollar bills.

According to TCGplayer, each of the cards we're using are valued at the following: Reshiram & Charizard GX [$11.05] Blastoise & Piplup GX [$9.18] Venusaur & Snivy GX [$3.36] We can't rely completely on this data because there is no way to determine the card's grade on TCGplayer

Duel Links and Yu-Gi-Oh

I think there is one black label Japanese 1996 base charizard

However, not everyone knows about this method of checking Pokmon cards since the evolution of Pokmon is a feature of characters you can learn about by watching a cartoon