[Revi16]

Based on post #2, PZ176 may have been marked as "B".
http://www.rafcommands.com/forum/sho...squito-serials


This is a 23 Sqdn aircraft marked "B".
https://no23squadron.files.wordpress...-ash-radar.jpg


It may have survived until 1953.
http://www.airhistory.org.uk/dh/_DH9...odn%20list.txt