Here are some other authors who currently have signed first editions on Abe Books for around £200:
Seamus Heaney
Ted Hughes
William Golding
Iain Banks
Vachel Lindsey
Arthur Miller
Sebastian Faulks
William Burroughs
J G Ballard
Maragret Attwood
Allen Ginsberg
Much as I love him, if I had £200 to spend on a book it wouldn't go to Copey!