Much has changed since the early days of lightning protection, when it was widely believed that the glass balls adorning lightning rods were an indicator of whether the rods were functioning properly. We now know that the glass balls were purely decorative—in fact, the balls’ different patterns and colors were how installers advertised their businesses.
Forget about fake aluminum shutters fixed to the house with lag bolts. A vintage house deserves shutters with real raised panels, louvers, or some combination of the two.