John-
The Jim Carter truck MAY be factory, but the fit and finish on the '38 has me doubting that it came from the factory. Would the factory have put "tubs" on the inside of the bed?
No particular knowledge on my part, just an opinion.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
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