I believe it to be an early Gruman-Olsen van on a Chevy chassis.There should be data tag riveted to the dash panel on the passenger side.Too styled to be a Divco Van lol.I'll look in my books.Be back to ya.

Wanted Good Woman:
Must be able to cook , clean , sew , tune engines and polish trucks. Must have old Stovebolt and garage. Please send picture of old Stovebolt and garage.