This 1965 Porsche 356C Cabriolet marks the end of 356 production--a car Porsche started producing in 1948. Since the 356C and the 911 were in production at the same time in 1965, Porsche did not produce many 365C Cabriolets--most put the figure between 588 and 598. This particular 356C benefits from a total restoration, as well as a conversion to a 12-volt …