Bewi Cold Shu Vintage Light Exposure f/stop Meter with Case

Offered is this Vintage Bewi automatic light exposure meter in its original leather case. This Meter is made of Stainless Steel and dates to the 1950’s. Condition is as pictured. The case has tape on it. I'm not sure how it works but have no reason to believe that it does not work. It has not been fully tested and is sold as is. This item was made in Germany in the 1950s.