You can see it here on this preserved example: (unsure which aircraft this actually is, the Flickr account isn’t specific)
http://www.flickr.com/photos/lambda_nut/3905049348/in/gallery-wbaiv-72157623966954485/

Looks like John Smith’s NZ2336 in Mapua, NZ. See here: http://www.kiwiaircraftimages.com/mosquito.html