Wide Angle Prime Lens, Praktica PB mount

Serial number 7911. Made in Germany, DDR.
EXCELLENT working condition. No traces of use.
Focus ring is nice and super smooth.
Aperture blades are snappy at all settings.
There is no oil or rust on aperture blades.

Optic is great. No fungus, no haze, no cleaning marks. 
Filter thread is intact and accepts filters properly.

Lens comes with case, front and rear caps. 

Please check images for more details.