From the copyright page this appears to be a 1st printing of the 2001 edition, but the lack of a 10-digit ISBN anywhere indicates a 2007 or later printing (and that full printing detail has been omitted). Title page:

• Gollancz colophon as imprint.

Copyright page:

• "Copyright © Philip K. Dick 1974"
• "This edition published in Great Britain in 2001 by [over] Gollancz [over] An imprint of the Orion Publishing Group"
• No number line.
• No ISBN.

Back cover:

• "Illustration by Chris Moore / Artist Partners"
• "U.K. £7.99" (no other pricing)
• 13-digit ISBN stated: "ISBN 978-1-4072-3375-8" on white field over bar code. No 10-digit ISBN appears anywhere in the book.
• The red roundels on the back cover and spine are blank; omitting the series number.

Novel starts on first numbered page, 11. No OCLC/WorldCat listings for this ISBN as of 2020-03-21 Gloss cover.