Cover image not available
Previous ed.: published in 2v. 1978 and 1981.
Vol. 3 published by the London Postal History Group, 2005.
v. 1 & 2. [without special title]
v. 3. London / by Barrie Jay.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The British county catalogue of postal history. ISBN 0905397169. Published by R. M. Willcocks in 1996. Publication and catalogue information, links to buy online and reader comments.