Just a regular unlimited, no special variation, Base Set booster box. The standard of 36 packs coming sealed together was set as the standard for Pokemon in 1999. Still to this day CUSTOM 1999 Wizards of the Coast 3pc Pokemon Base Set Unlimited Booster Foil Pack Pokemon NEO Genesis Booster Pack Factory Sealed Vintage 1999 japanmaster Pokemon Replica Base Set Booster Box 1999! Imagine opening a Pokmon Base Set Shadowless Booster Box from 1999 and pulling this (via @pokehex5555) #Pokemon #PokemonCommunity #PokemonGo #TCG #Tradingcards #Charizard #PokemonTCG Sealed Pokemon Card First Edition Box Set Smashes Record At Auction