1966년 십진법 통화 도입 이전에 호주에서 사용되던 6펜스짜리 동전.
An Australian sixpence coin, used before the introduction of decimal currency in 1966.
예문:
"He found an old zack while cleaning out his grandfather's attic."
"Back in the day, a zack could buy you a decent amount of sweets."