Here's the proof!
Not only were they leather, but also fully reclining!
This is a Truck, 6 seat utility (Aust) and was Australia's answer to the HUP.
Of timber framed construction on a 15CWT chassis, these suffered the effects of time and only one Chev version is known to have survived in restorable condition.
Another difference to the Canadian variety was they were built by both manufacturers.
This is one cool machine.
Many more images
here.