This 1962 Porsche 356B Roadster is one of 249 “twin grille” roadsters built with bodywork from Belgian coachbuilder D’Ieteren Frères, and it was reportedly acquired by the current owner's father in 1971. The car has been refinished in red over gray leatherette and is powered by a 1.6-liter Super 90 flat-four paired with a four-speed manual…