Serial # 1139380 from 1949-51. 75mm Tessar 3.5, Opton 75/3.5 lens. Bay I. Compur Rapid shutter 1/500 to 1, B + T with X sync.  Camera is in very nice condition. Camera is in working (not tested with film) order. Shutter and timer work.  Sold as is. Original leather case is in fair condition, but obvious wear, age and broken stitching is visible.