You may be correct on the 1033 since resto. Didn't they have decals on the valve cover also?
I am going to see it tomorrow, the truck is part of a 100 classic car collection going to no reserve auction in Cumberland Maine on sat.
The collector passed on i guess.
http://keenanauction.com/auction.cgi?&i=1925
I'm just riding down to see this truck. Its pretty close to what i want (only a shortbed) and i want some pics when i do my resto someday.