Camera is parts complete. However, the shutter is stuck. It would be a fun restoration project, as these cameras aren't very mechanically complex and are easy to work on.

"The Praktica is the first member of the Praktica family, a 35mm SLR introduced by KW in 1949, sucessors of the Praktiflex

It is sometimes held to be the first M42 camera. This camera is one of the first full-featured (for the time) SLR's in a line that would become one of the unsung classic SLR families. Building on essentially this base, the M42-mount Praktica went on to be a moderately successful and sometimes innovative series, including cameras that could compete with Pentax, Minolta and Canon in terms of features and available lenses."