This is a VERY cool lens.
If you're looking at this, you probably know it's reputation: A GREAT B&W lens, with low contrast, distinctive bokeh, and excellent sharpness.
This copy delivers on all of those things in spades.
There are a lot of cleaning marks, but no fungus and no haze! Focus is a bit stiff from close focus to about 2m, but is easily usable IMHO.
It comes with a Sony NEX > Leica M adapter which works perfectly (not pictured)
The dog picture has a bit of PP done, but was taken with a NEX-F3 and included adapter at f/2.