Olympus PEN 1st model of the PEN series of half frame cameras (19
models made between 1959 and 1980's) . This model was actually made for
Olympus by Sanko-Shoji but tested and shipped by Olympus. Later models
were made by Olympus. Suiko f3.5 / 28mm lens. Copal X
shutter Single strap lug makes this a very early model.