[[Spanish release date::| ]][[Spanish Sneak Peek date::| ]] Vol.6 or Volume 6 is a Japanese Booster Pack in the Yu-Gi-Oh! Official Card Game. Like other cards printed early on in the game, the cards have no printed set numbers, and lack the distinctive Eye of Anubis Hologram in the lower right-hand corner of each card. This pack introduced Counter Trap Cards to the OCG.