well that's unique! having '3104' for the 'style', and 3106 in the vin? in the US that's a suburban with barn doors maybe it did change in '59 - or maybe US production brought up and re-tagged? have you checked the vin stamped on the frame rail?
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics