Well the ‘Bedford’ is actually a Commer Superpoise and if that is before your time you must be almost a baby as I remember working on them and I’m only a youngster compared to most on here! 
The Guy Big J4 looks like one of Moss and Lovatts from Rushton Spencer, one of our vintage club members is a relative and they gave a talk and slide show a couple of years ago. They ran one of the few Big J’s with the 240 Gardner fitted… 
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Well actually it was only the badge! 
Pete.