Dan - toward the end of
sheet metal you'll find all that's available
the roof raise would be something that would have been like roof raises on RV buses are nowadays, if someone wanted one, the only thing required would be good bodywork skill and some sheet metal from the wrecking yard .... "one off" custom work trucks aren't really uncommon
the swooping drip rail line is what looked familiar to me - look at the inside of the side panels and you should be able to see what was added, may have used a section of roof from a crashed panel truck, the front of that raise above the "cab" looks quite like the back shape above the doors
Bill
