greninja ex booster box & Kingdra EX Special Collection Opening! this premium collection also includes a rubber play mat Best Pokémon TCG deal: Grab

I suppose part of the explanation for that is that the Pokmon Center ETBs come with both a stamped and a regular version of their promos, so the unstamped Snorlax can be found in two different places and is just way more common

For the most part, at least, as prices for many of the sets serialized cards are all over the place

Q4416 Jan

1750 - 1400 Black Iron Tarkus [Warrior / Effect] During damage calculation, if this card battles a Rank 4 or higher Xyz monster: This card's original ATK and Level are doubled until the end phase

This happens when your print options do not specify "100% scale" but something else like "fit to paper" or "fit to printable area"