Leica Leitz Wetzlar Elmarit-R 28mm f2.8 3 Cam lens

Leica Elmarit-R 3 Cam 28mm f2.8 lens. Serial number 2921557 (from 1978). In good used condition. There is slight edge wear on the focus and aperture rings as photographed, one minor cleaning mark on the coating on the front element and a little age related dust. No haze or fungus. Aperture blades are clean and snappy. The focus is smooth if a little firm. A good usable example. With original front lens cap.