M42 screw  mount

Aperture with 6 blades  /without signs of oil/  ,

works in auto/manual position.

Function: in perfect working order.

Focusing is smooth, aperture works fine.

 Optics withot fungus or deep scratches.  No thin micro scratches inside, rear without...

Cleaning marks and coating degrading on the lenses are visiable, but minimal.

Metal body in very nice condition with smooth/minimal signs of used,

 With front cap.