Some pics here :
http://www.iwmcollections.org.uk/qryPhotoImg.php
Keyword(s) :
liberator
Theme :
coastal command
From Coastal Command at War PP 80-81 :
8 October 1943, Liberator III - FK223 - T / 120, involved in the sinking of U-643 :
one .50cal gun firing forward and four .303in Browning in the rear turret ;
eight 250lb depth charges.