the Comet, built by Rust Heinz, who also made the '38 Phantom Corsair

this delivery truck, called the Comet was built on an Autocar chassis, and if Rust Heinz hadn’t died in a car crash in 1939 at age 25, the company would probably have commissioned a fleet of these vehicles.

Found on https://www.facebook.com/Manomtr  who says it was posted by Hemmings Blog