First edition, one of 20 numbered copies on Arches handmade vellum paper and re-imposed in octavo format reserved for the bibliophile society "XX", the only printing in this format. Half anthracite grey morocco with corners, spine in four compartments, gilt date at foot, cat's-eye paper boards, combed paper endpapers and pastedowns, original wrappers and spine preserved, elegant signed binding by Alix. Handsome copy in perfect condition. Author's signature on the justification page.