That's an additional point then as this was not included in your initial question ;-)
Here is what I found:THIS VHEICLE IS BELEIVED TO BE ONE OF THE FIRST METRO'S OFF THE PRODUCTION LINE.
IT WAS DELIVERED DIRECTLY TO THE ENGINEER, HE UNDERTOOK A MAJOR PROJECT TO MAKE IT WHAT IT IS TODAY..WHEN FINISHED IT WAS TESTED BY THE POLICE INSTRUCTION TEAM AND THEY WERE VERY COMPLIMENTRY ABOUT IT.