Nice research by the guy!
I appreciate such researcher's ambitions!
When i was small the same thing got in my mind but i thought it as a spelling mistake of "A.R.K" having "R" interchanged with "A".
But latter on observing it on numerous Fx cabs i thought it as a logo of a company ,making cheap car products, of England.As i thought that this logo arrived similarly like Bedford trucks i.e After British people arrived in India.