Glory of Team Rocket Booster Box [JP] First edition WOTC Gym Heroes Booster Pack Mercari Gym Challenge 1st Edition Booster Box Loose Packs Trading Co. Was It Worth it? Gym Challenge Pokemon cards are HOW OLD? To celebrate 700 days of daily videos I wanted to open an epic pack of vintage Pokemon cards. Im of course talking about 1999 Challenge Pokemon Gym Challenge 1st Ed. Sealed Booster Box sold at auction on 25th September Bidsquare Sealed 1999 Pokmon TCG Gym Challenge Booster Pack WOC Nintendo