Blue Dot Blaupunkt Frankfurt for Porsche 911, 912 or 914 also Jaguar, Mercedes, BMW, Alfa Romeo and other Euro cars. They used many different Frankfurt models and this one has the indicator on the bottom of the dial scale indicating band.
Lots of audio, good tuning; quiet controls and owned 40 years.
Clean, complete with couple different face plates to choose from, and all the little and big knobs. $395