Zipper (Letraset, 1970) in use for the UK cover of Hunky Dory, the fourth studio album by David Bowie, released on 17 December 1971 on RCA Records.
The cover was designed by George Underwood, featuring a photograph by Brian Ward. “Originally shot in monochrome, the image was recoloured by illustrator Terry Pastor, a partner at Covent Garden's recently initiated Main Artery design studio with George Underwood.” – Wikipedia