Still, even if Rush Duel were to get an international release, they probably wouldn't release these ID cards of characters from the show
Chart shows the price of Kangaskhan [Holo] #99 at the end of each month going back as long as we have tracked the item.
There are few cards in Explorer that can properly answer this threat, with the exception of Farewell
Market value: Estimated at ~$2,900 USD in one list
They have a vested interest in maintaining/expanding their business so just like card grading companies, they understand it's ideal for them to "create value" out of nowhere and if an auction sets a new record, it's not like they have to worry about due diligence to see if the price made sense or who the seller and buyer are and if they have a preexisting relationship or what, they just take their cut and that's it.
They are related to the "S-Force" archetype as stated in the lore of "PSY-Frame Driver" and seen in the artwork of "S-Force Specimen"