THACKER, Eric & Anthony EARNSHAW (1924-2001). Musrum. London: Jonathan Cape, 1968. 4to. Half title, illustrations, some full-page, by Anthony Earnshaw. Original buckram-backed paper boards, printed label laid down on upper cover. Provenance: John Lyle (label). FIRST EDITION. ONE OF 350 COPIES, this copy unnumbered. PRESENTATION AND ASSOCIATION COPY, the limitation leaf inscribed, "This copy ... for John Lyle. Anthony Earnshaw 3 - Nov - 68." The lower part of the inscription is contained within the skull of a skull and crossbones, drawn by the artist. In 1967, John Lyle had invited Earnshaw to show in his surrealist exhibition in Exeter, "The Enchanted Domain." Loosely-inserted is a typescript flyer for the work.