Odd Identification Request

[Marauder_Pilot]

OK, this may be one of the stranger 'What's this?' posts in recent memory, but bear with me.

I first stumbled across the CMP truck in a computer game called Company of Heroes (BTW, if anybody else here is into strategy games, CoH is awesome, and one of the few WWII games to recognize that, hey, the Commonwealth was there, too.)

In that game, the Commonwealth uses Command Trucks instead of bases, with two of them based on 13 Cab CMPs (Logos removed for obvious reasons, but I'm pretty sure they're supposed to be C15As):


However, the third vehicle (Armour Command) is based of something different:


Since you guys are a font of all things related to Canadian and other Commonwealth WWII MVs, I was hoping that someone here would be able to identify this truck. Any ideas, or is it just a generic design pulled out of a designer's hoo-hah?