Original Oz magazine 1967 posterA hugely rare original 1967 poster advertising the first edition of the UK version of Oz magazine Underground magazine Oz ran in Australia from 1963 to1969 and the UK from 1967 to 1973. With its counterculture, anti establishment ethos, it fell foul of the authorities. The British magazines editors were imprisoned on obscenity grounds in 1971, although later freed on appeal. A hugely rare original 1967 silk screen printed poster advertising