Posted on other forums but no response. Some Pathfinder Force Mosquito B.16's built by Percivals,in the serial range PF... had the camouflage extend down the fuselage sides,nose and cowlings like the FB.6 fighter version. See here and scroll to the shot of the crew climbing aboard.
http://www.mts.net/~mspack/rcaf4pic.html
I have not seen this in any Mosquito colour side references before . Can anybody else add further information and photographs ? Anybody who worked for Percivals at Luton may have memories or documentation.