Those two M20s in the foreground appear to have blackout masks painted the same colour as the bike, whilst the rest look black....Ian

email (option): ian@wright52.plus.com

Ian, we've mentioned that before...

http://pub37.bravenet.com/forum/static/show.php?usernum=3155626639&frmid=16&msgid=1301898&cmd=show

'Most' period images show black masks...I wonder if they were originally service colour but a decision was taken to make them a neutral shade and suitable for fitment on all vehicles, including Government cars etc. in civilian colours.