Base Set Booster Box Etsy 1999 Pokemon Base Set Shadowless 1st Edition Booster Box Sealed on Fanatics Collect Pokemon 1999 Booster Packs 1999 Pokmon Base Set Booster Pack 1st Ever Set, Sealed, Brilliant Mint Condition Pokemon Base Set Sealed Pokmon Base Set Booster Pack (Proxy) 11 Cards Vintage 90s Style Pack Pokmon Gift for Collectors ONE BOX TO RULE THEM ALL! 1999 Pokemon 1st Edition Base Set Booster Box! For Sale DM If Interested! Base Set is the name given to the first main expansion 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