Voigtländer Zoomar 36-82mm T3.1. This is one of the oldest zooms ever designed for commercial still photography for the 135 format (Full Frame 36x24mm).
We have a set that includes the:
Zeiss CP.3 18mm T2.9 Compact Prime Lens
Zeiss CP.3 25mm T2.1 Compact Prime Lens
Zeiss CP.3 35mm T2.1 Compact Prime Lens