Guess my memory was of an "ordinary" Miles Hawk - though there seems to be both single seat with canopy (Speed Six) and open cockpit (aka Sparrow-Hawk
http://www.kw.igs.net/~brianj/airshow/miles.jpg, twin open cockpit (a la Magister) and cabin types. The variant I remember is like this RAAF one here
http://www.adf-serials.com/2a37.shtml - you'll see what I mean about the unusual windshield treatment.