So pleasing to find that 'new' prints are still turning up:
'New' in the sense that I can't recall having seen it previously. This one - in the terrific style/format of his late Sixties work - is described:
Poster promoting the opening of Habitat's store in King's Road, London, 1973. 88 x 62 cm. Signed in the plate, original lithographic poster. A few were hand signed and gifted to the collaborators of the poster. Laid down on linen for museum conservation.