Some pics from 
Commer Lorries WW2:
Caption: "Commer Q15 RAF". 
In reality it is a one-off prototype Commer Q2 with RAF Van type Radio Body, 
the Type "E" Insulated Wireless Shell, also known as the Type "E" Signals Body.
 
 
Caption: "RASC Commer Q4 lorry middle east WW2"
