I seriosly do not think it had one, as I have said, everything Ihave found points towards V-Codes not existing till around 1970.
They were applied to models made before 1970 retrospectivley, and having been scrapped from the line up, the Model 4 missed out.
I'm guessing the code Blumbly reffers to as being scrapped at the same time the Model 4 was must have been some other sort of referncing code, as I can't find a shred of evidence V-Codes existed back then, and it's a little hard to scrap something you havent thought of yet (although I have done it... I think... Maybe)
Prior to the V-Code system of 1970, I believe you just relied solely on your model number (Model 2, Model 5, Model 505, etc.) and whilst the model numbers still continued after the 1970 introduction of the V-Code system, they were no longer used for parts (The VC-160 of 1970 has the V-Code V80, however it's actual model number is 70VJ)
Cheers Ty
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