Zorki 4 Prototype

Zorki 4 Prototype or transitional model from Zorki 4 to Zorki 5.

1) Different molded top cover
2) Other type of lever for rangefinder sharpness
3) No screws on top cover and no screws on front
4) No serial number!

See discussion in http://ussrphoto.com/Forum/topic.asp?TOPIC_ID=3266