I am selling a Nikon 28m f3.5, I believe this is a non-AI (about 90% sure). It has a few paintloss and scratches in the barrel. A few dust inside, but no fungus and no haze. No oil or gunk in aperture blades.Selling it for $40 plus shipping. I will upload pictures later.
It's a pre-AI. I used to have one and I sold it when I got an Albinar ADG 28mm f2.8 macro. I still preferred the optics and color saturation of this lens.