Up for auction is a Nikon Reflex Nikkor, F=500mm, 1:8, Reflex Mirror Lens with a leather case and 3 filters.  It is Numbered 501923.  The 3 filters are numbered R60, 39mm Nikon, Y52 39mm Nikon, and ND 4x 39mm Nikon.  The case has CL-23 Nikon on it.  All are in very good condition.  Please look at all photos for condition.