1999 Base Set Black Triangle Error Booster Pack Set PSA 10 The very first expansion to be released for the Pokmon TCG was Base Set (Expansion Pack in Japan), and in front Pre Order) Pokemon Pitch Black Booster Box Sealed Case MHDEALSPLUS Opening AN ERROR Black Triangle Base Set Pokemon Booster Box !!! YouTube 1999 Pokemon Card Game (TCG) BASE SET Black Triangle Error Stamped EMPTY Packs eBay Sealed Unweighed Pokemon Base Set Black Triangle Booster Pack Charizard Art eBay That was the solution? The Black triangle error Pokmon Base set pack #pokemoncards #pokemonboostee #pokemonerror #pokemontradingcards