My dad has fixed old pendulum and wind up clocks for years as a hobby. He also fixes old tube radios. There are half a dozen to a dozen clocks around his house

My dad has fixed old pendulum and wind up clocks for years as a hobby. He also fixes old tube radios. There are half a dozen to a dozen clocks around his house at any time. Some have IIII and some have IV. I can't say I've seen one more than another.