Pioneer with no serial number



#3

I recently aquired a 14B. It is a 1987 Made in USA unit, according to the case. There is nothing special about the piece other than the serial number area is completly blank. Not even a hint of one, just smooth and blank.

Has anyone ever seen this before on perhaps an early production unit or prototype?


#4

Warranty replacement unit that was never filled in with the original unit's number.


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